@book{AbedSchulze2008, author = {Abed, Jamil and Schulze, Bert-Wolfgang}, title = {Operators with Corner-degenerate Symbols}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {47 S.}, year = {2008}, language = {en} } @book{AdamyanNeidhardt1996, author = {Adamyan, Vadim M. and Neidhardt, Hagen}, title = {On the absolutely continuous subspace for non-selfadjoint operators}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {207}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, year = {1996}, language = {en} } @book{AdamyanNeidhardt1996, author = {Adamyan, Vadim M. and Neidhardt, Hagen}, title = {On the absolutely continuous subspace for contractions and dissipative operators}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {205}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, year = {1996}, language = {en} } @book{AirapetyanWitt1997, author = {Airapetyan, Ruben and Witt, Ingo}, title = {Isometric properties of the Hankel transformation in weighted Sobolev spaces}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1997, 14}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {19 S.}, year = {1997}, language = {en} } @book{AizenbergTarchanov1999, author = {Aizenberg, Lev A. and Tarchanov, Nikolaj N.}, title = {A Bohr phenomenon for elliptic equations}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {24 S.}, year = {1999}, language = {en} } @book{AizenbergTarkhanov2005, author = {Aizenberg, Lev A. and Tarkhanov, Nikolai Nikolaevich}, title = {Stable expansions in homogeneous polynomials}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {23 S.}, year = {2005}, language = {en} } @book{AlbeverioDemuthSchroheetal.2002, author = {Albeverio, Sergio and Demuth, Michael and Schrohe, Elmar and Schulze, Bert-Wolfgang}, title = {Parabolicity, volterra calculus, and conical singularities : a volume of advances in partial differential equations}, series = {Operator theory : advances and applications}, volume = {138}, journal = {Operator theory : advances and applications}, publisher = {Birkh{\"a}user Verl.}, address = {Basel}, isbn = {3-7643-6906-x}, pages = {358 S.}, year = {2002}, language = {en} } @book{ArwornDeneckePoeschel1998, author = {Arworn, Srichan and Denecke, Klaus-Dieter and P{\"o}schel, Reinhard}, title = {Closure operators on complete lattices}, series = {Preprint MATH-ALG / Technische Universit{\"a}t Dresden}, volume = {1998, 05}, journal = {Preprint MATH-ALG / Technische Universit{\"a}t Dresden}, publisher = {Techn. Univ.}, address = {Dresden}, year = {1998}, language = {en} } @book{BattagliaMayerSchmidt1993, author = {Battaglia Mayer, Alexandra and Schmidt, Hans-J{\"u}rgen}, title = {The de Sitter space-time as attractor solution in eighth order gravity}, series = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, volume = {1993, 05}, journal = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {9 S.}, year = {1993}, language = {en} } @book{Baumgaertel1994, author = {Baumg{\"a}rtel, Hellmut}, title = {A modified approach to the Doplicher-Roberts theorem on the construction of field algebra and the symmetry group in superselection theory}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {134}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, pages = {33 S.}, year = {1994}, language = {en} } @book{Baumgaertel1995, author = {Baumg{\"a}rtel, Hellmut}, title = {Operatoralgebraic methods in quantum field theory : a series of lectures}, publisher = {Akademie Verl.}, address = {Berlin}, pages = {228 S.}, year = {1995}, language = {en} } @book{Baumgaertel1993, author = {Baumg{\"a}rtel, Hellmut}, title = {Some operatoralgebraic fundamentals of the algebraic quantum field theory}, series = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, volume = {1993, 09}, journal = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {43 Bl.}, year = {1993}, language = {en} } @book{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {Cuntz algebras and superselection structures in Quantum Field Theory}, series = {LQP Papers / Local Quantum Physics Crossroads}, journal = {LQP Papers / Local Quantum Physics Crossroads}, publisher = {Univ.}, address = {G{\"o}ttingen}, year = {1999}, language = {en} } @book{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {Actions of finite abelian groups on abelian C*-algebras Z: Second cohomology and description by C*-extensions F ) Z}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {383}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, year = {1999}, language = {en} } @book{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {Group actions on C*-algebras and their description by Hilbert C*-extensions}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {385}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, year = {1999}, language = {en} } @book{BaumgaertelCarey2000, author = {Baumg{\"a}rtel, Hellmut and Carey, A.}, title = {Hilbert systems for actions of the circle group}, series = {ESI-Preprint / Erwin-Schr{\"o}der-Institut f{\"u}r Mathematische Physik, Wien}, volume = {940, 2000}, journal = {ESI-Preprint / Erwin-Schr{\"o}der-Institut f{\"u}r Mathematische Physik, Wien}, publisher = {Erwin-Schr{\"o}der-Institut f{\"u}r Mathematische Physik}, address = {Wien}, pages = {14 S.}, year = {2000}, language = {en} } @book{BaumgaertelJurkeLledo1994, author = {Baumg{\"a}rtel, Hellmut and Jurke, Matthias and Lled{\´o}, Fernando}, title = {A remark on covariant and causal nets of CAR-resp.CCR-type local algebras assigned to the irreducible unitary representation of the poincare group labeled by (m>0, s, +)}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {120}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, year = {1994}, language = {en} } @book{BaumgaertelJurkeLledo1999, author = {Baumg{\"a}rtel, Hellmut and Jurke, Matthias and Lled{\´o}, Fernando}, title = {Twisted duality for the CAR-algebra}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {401}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, publisher = {Techn. Univ.}, address = {Berlin}, year = {1999}, language = {en} } @book{BaumgaertelLledo2000, author = {Baumg{\"a}rtel, Hellmut and Lled{\´o}, Fernando}, title = {Dual group actions on C*-algebras and their description by Hilbert extensions}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {445}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, publisher = {Techn. Univ.}, address = {Berlin}, pages = {14 S.}, year = {2000}, language = {en} } @book{BermanTarkhanov2004, author = {Berman, Gennady and Tarkhanov, Nikolai Nikolaevich}, title = {The dynamics of four wave interactions}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {25 S.}, year = {2004}, language = {en} } @book{BrauerKarp2006, author = {Brauer, Uwe and Karp, Lavi}, title = {Local existence of classical solutions for the Einstin-Euler system using weighted Sobolev spaces of fractional order}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {12 S.}, year = {2006}, language = {en} } @book{Braunss1998, author = {Braunß, Hans-Andreas}, title = {A note about ranks of m-homogeneous polynomials on Banach spaces}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1998, 18a}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {4 Bl.}, year = {1998}, language = {en} } @book{BronnikovKasperRainer1997, author = {Bronnikov, K. A. and Kasper, Uwe and Rainer, Martin}, title = {Intersecting electric and magnetic p-branes: spherically symmetric solutions}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1997, 21}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {[9] Bl.}, year = {1997}, language = {en} } @book{BuchholzSchulze1998, author = {Buchholz, Thilo and Schulze, Bert-Wolfgang}, title = {Volterra operators and parabolicity : anisotropic pseudo-differential operators}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1998, 11}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {57 S.}, year = {1998}, language = {en} } @book{BaerGinouxPfaeffle2007, author = {B{\"a}r, Christian and Ginoux, Nicolas and Pf{\"a}ffle, Frank}, title = {Wave equations on lorentzian manifolds and quantization}, publisher = {European Math. Society}, address = {Z{\"u}rich}, isbn = {978-3-03719-037-1}, pages = {194 S.}, year = {2007}, language = {en} } @book{Boeckmann1992, author = {B{\"o}ckmann, Christine}, title = {A modification of the Trust-Region Gauss-Newton method to solve separable nonlinear least squares problems}, series = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, volume = {1992, 17}, journal = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {14 Bl.}, year = {1992}, language = {en} } @book{Boeckmann1992, author = {B{\"o}ckmann, Christine}, title = {Curve fitting and identification of physical spectra}, series = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, volume = {1992, 18}, journal = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {17 Bl.}, year = {1992}, language = {en} } @book{BoeckmannNiebsch1996, author = {B{\"o}ckmann, Christine and Niebsch, Jenny}, title = {A mollifier method for aerosol size}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1996, 07}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {[5] Bl.}, year = {1996}, language = {en} } @book{CalinChang2004, author = {Calin, Ovidium and Chang, Der-Chen}, title = {The Geometry on a Step 3 Grushin Model}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {22 S.}, year = {2004}, language = {en} } @book{CalvoMartinSchulze2004, author = {Calvo, D. and Martin, Calin-Iulian and Schulze, Bert-Wolfgang}, title = {Symbolic Structures on Corner Manifolds}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {18 S.}, year = {2004}, language = {en} } @book{CalvoSchulze2005, author = {Calvo, D. and Schulze, Bert-Wolfgang}, title = {Operators on Corner Manifolds with Exit to Infinity}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {48 S.}, year = {2005}, language = {en} } @book{Camales2003, author = {Camal{\`e}s, Renaud}, title = {A Note on the Ramified Cauchy Problem}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {11 S.}, year = {2003}, language = {en} } @book{Camales2003, author = {Camal{\`e}s, Renaud}, title = {Explicit formulation of the solution of hamada-leray-wagschal{\"i}s theorem}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {14 S.}, year = {2003}, language = {en} } @book{ChampagnatRoelly2007, author = {Champagnat, Nicolas and Roelly, Sylvie}, title = {Multitype Dawson-Watanabe superprocesses conditioned by remote survival}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Mathematische Statistik un}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Mathematische Statistik un}, publisher = {Univ.}, address = {Potsdam}, issn = {1613-3307}, pages = {39 S.}, year = {2007}, language = {en} } @book{ChenWu2006, author = {Chen, Hua and Wu, Shaohua}, title = {On existence of solutions for some hyperbolic-parabolic type chemotaxis systems}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {14 S.}, year = {2006}, language = {en} } @book{ChenYu2001, author = {Chen, Hua and Yu, Chun}, title = {Asymptotic behaviour of the trace for schr{\"o}dinger operator on fractal drums}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {12 S.}, year = {2001}, language = {en} } @book{ChenZhong2002, author = {Chen, Hua and Zhong, Xinhua}, title = {Norm behavior of a parabolic-elliptic system modelling chemotaxis in three-dimensional domains}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {16 S.}, year = {2002}, language = {en} } @book{ChenLiXu2007, author = {Chen, Huan and Li, Wei-Xi and Xu, Chao-Jiang}, title = {Gevrey hypoellipticity for linear and non-linear fokker-planck equations}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {17 S.}, year = {2007}, language = {en} } @book{CoriascoSchroheSeiler2001, author = {Coriasco, S. and Schrohe, Elmar and Seiler, J{\"o}rg}, title = {Bounded imaginary powers of differential operators on manifolds with conical singularities}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {23 S.}, year = {2001}, language = {en} } @book{CoriascoSchulze2002, author = {Coriasco, S. and Schulze, Bert-Wolfgang}, title = {Edge Problems on Configurations with Model Cones of Different Dimensions}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {41 S.}, year = {2002}, language = {en} } @book{DahlkeMaass1994, author = {Dahlke, Stephan and Maaß, Peter}, title = {The affine uncertainty principle in one and two dimensions}, series = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, volume = {1994, 01}, journal = {Preprint / Universit{\"a}t Potsdam, Fachbereich Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {17 Bl.}, year = {1994}, language = {en} } @book{DahlkeMaass1994, author = {Dahlke, Stephan and Maaß, Peter}, title = {A continuous wavelet transform on tangent bundles of spheres}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1994, 16}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {18 Bl.}, year = {1994}, language = {en} } @book{Davis2003, author = {Davis, Simon}, title = {The quantum cosmological wavefunction at very early times for a quadratic gravity theory}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {13 S.}, year = {2003}, language = {en} } @book{Davis2002, author = {Davis, Simon}, title = {Connections and generalized gauge transformation}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {38 S.}, year = {2002}, language = {en} } @book{Davis2002, author = {Davis, Simon}, title = {On the absence of large-order divergences in superstring theory}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {53 S.}, year = {2002}, language = {en} } @book{Davis2002, author = {Davis, Simon}, title = {On the existence of a non-zero lower bound for the number of goldbach partitions of an even integer}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, year = {2002}, language = {en} } @book{DeDonnoSchulze2003, author = {De Donno, G. and Schulze, Bert-Wolfgang}, title = {Meromorphic symbolic structures for boundary value problems on manifolds with edges}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik, Arbeitsgruppe Partiell}, publisher = {Univ.}, address = {Potsdam}, issn = {1437-739X}, pages = {40 S.}, year = {2003}, language = {en} } @book{Denecke1996, author = {Denecke, Klaus-Dieter}, title = {Clones and hyperidentities}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1996, 14}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {33 Bl.}, year = {1996}, language = {en} } @book{Denecke1997, author = {Denecke, Klaus-Dieter}, title = {Hyperequational theory}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1997, 29}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, pages = {33 Bl.}, year = {1997}, language = {en} } @book{DeneckeKoppitzShtraklov2001, author = {Denecke, Klaus-Dieter and Koppitz, J{\"o}rg and Shtraklov, Slavcho}, title = {The Depth of a Hypersubstitution}, year = {2001}, language = {en} }