@article{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {2-dimensional representations of 4-dimensional gravitational waves},
  year      = {1998},
  language  = {en}
}
@misc{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {Karsinski, A., Inhomogeneous cosmological models; Cambridge, Univ. Press, 1997},
  year      = {1998},
  language  = {en}
}
@article{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {Consequences of the noncompactness of the Lorentz group},
  year      = {1998},
  language  = {en}
}
@article{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {A two-dimensional representation of four-dimensional graviational waves},
  year      = {1998},
  language  = {en}
}
@article{Denecke1998,
  author    = {Denecke, Klaus-Dieter},
  title     = {Tame congruence theory},
  year      = {1998},
  language  = {en}
}
@article{DeneckeKoppitzMarszalek1998,
  author    = {Denecke, Klaus-Dieter and Koppitz, J{\"o}rg and Marszalek, R.},
  title     = {Derived varieties and derived equational theories},
  year      = {1998},
  language  = {en}
}
@article{NeidhardtZagrebnov1998,
  author    = {Neidhardt, Hagen and Zagrebnov, Valentin A.},
  title     = {On semibounded restrictions of selfadjoint operators},
  year      = {1998},
  language  = {en}
}
@article{AlbeverioBrascheNeidhardt1998,
  author    = {Albeverio, Sergio and Brasche, Johannes F. and Neidhardt, Hagen},
  title     = {On inverse spectral theory: mixed types of spectra.},
  year      = {1998},
  language  = {en}
}
@article{NeidhardtZagrebnov1998,
  author    = {Neidhardt, Hagen and Zagrebnov, Valentin A.},
  title     = {On error estimates for Trotter-Product formulas.},
  year      = {1998},
  language  = {en}
}
@article{NeidhardtZagrebnov1998,
  author    = {Neidhardt, Hagen and Zagrebnov, Valentin A.},
  title     = {Does each symmetric operator have a stability domain?},
  year      = {1998},
  language  = {en}
}
@article{DeneckeKoppitz1998,
  author    = {Denecke, Klaus-Dieter and Koppitz, J{\"o}rg},
  title     = {M-solid monoids of hypersubstitutions of type 2},
  year      = {1998},
  language  = {en}
}
@article{DeneckeKoppitz1998,
  author    = {Denecke, Klaus-Dieter and Koppitz, J{\"o}rg},
  title     = {Finite monoids of hypersubstitutions of type € = (2)},
  year      = {1998},
  language  = {en}
}
@article{Vogel1998,
  author    = {Vogel, Hans-J{\"u}rgen},
  title     = {On functors between certain monoidal categories},
  year      = {1998},
  language  = {en}
}
@article{NeidhardtZagrebnov1998,
  author    = {Neidhardt, Hagen and Zagrebnov, Valentin A.},
  title     = {On operator-norm convergence of the Trotter-Kato product formula},
  year      = {1998},
  language  = {en}
}
@article{GonzalesDiazKasperRainer1998,
  author    = {Gonz{\´a}les-Diaz, P. F. and Kasper, Uwe and Rainer, Martin},
  title     = {2-Dimensional dilatonic gravity from multidimensional Einstein gravity},
  year      = {1998},
  language  = {en}
}
@article{Kasper1998,
  author    = {Kasper, Uwe},
  title     = {On Schr{\"o}dinger equations in Einstein{\"i}s theory of gravity},
  year      = {1998},
  language  = {en}
}
@article{SchulzeTarchanov1998,
  author    = {Schulze, Bert-Wolfgang and Tarchanov, Nikolaj N.},
  title     = {Green pseudodifferential operators on manifolds with edges},
  year      = {1998},
  language  = {en}
}
@article{NazajkinskijSchulzeSterninetal.1998,
  author    = {Nazajkinskij, Vladimir E. and Schulze, Bert-Wolfgang and Sternin, Boris Ju. and Satalov, Viktor E.},
  title     = {Spectral boundary value problems and elliptic equations on singular manifolds},
  year      = {1998},
  language  = {en}
}
@article{SchulzeSterninSatalov1998,
  author    = {Schulze, Bert-Wolfgang and Sternin, Boris Ju. and Satalov, Viktor E.},
  title     = {On some global aspects of the theory of partial differential equations on manifolds with singularities},
  year      = {1998},
  language  = {en}
}
@article{SchroheSchulze1998,
  author    = {Schrohe, Elmar and Schulze, Bert-Wolfgang},
  title     = {Mellin operators in a pseudodifferential calculus for boundary value problems on manifolds with edges},
  year      = {1998},
  language  = {en}
}
@article{BurenkovSchulzeTarchanov1998,
  author    = {Burenkov, V. and Schulze, Bert-Wolfgang and Tarchanov, Nikolaj N.},
  title     = {Extension operators for sobolev spaces commuting with a given transform},
  year      = {1998},
  language  = {en}
}
@article{FedosovSchulzeTarchanov1998,
  author    = {Fedosov, Boris V. and Schulze, Bert-Wolfgang and Tarchanov, Nikolaj N.},
  title     = {On the index of elliptice operators on a wedge},
  year      = {1998},
  language  = {en}
}
@article{SchulzeSterninSatalov1998,
  author    = {Schulze, Bert-Wolfgang and Sternin, Boris Ju. and Satalov, Viktor E.},
  title     = {Differential equations on manifolds with singularities in classes of resurgent functions},
  year      = {1998},
  language  = {en}
}
@book{Schulze1998,
  author    = {Schulze, Bert-Wolfgang},
  title     = {Differential equations on singular manifolds : semiclassical theory and operator algebras},
  series = {Mathematical topics},
  volume    = {15},
  journal   = {Mathematical topics},
  publisher = {Wiley-VCH},
  address   = {Berlin [u.a.]},
  pages     = {376 S.},
  year      = {1998},
  language  = {en}
}
@book{Schulze1998,
  author    = {Schulze, Bert-Wolfgang},
  title     = {Boundary value problems and singular pseudo-differential operators},
  publisher = {Wiley-VCH},
  address   = {Chichester [u.a.]},
  pages     = {XVI, 637 S.},
  year      = {1998},
  language  = {en}
}
@misc{Schrohe1998,
  author    = {Schrohe, Elmar},
  title     = {Lesch, M., Operators of Fuchs type, conical singularities, and asymptotic methods},
  year      = {1998},
  language  = {en}
}
@article{SchroheNest1998,
  author    = {Schrohe, Elmar and Nest, R.},
  title     = {Diximier{\"i}s trace for boundary value problems},
  year      = {1998},
  language  = {en}
}
@article{KupriesNoseleit1998,
  author    = {Kupries, Mario and Noseleit, Christof},
  title     = {Co-ordination of software agents with speech act theory},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  volume    = {1998, 06},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Informatik},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {0946-7580},
  pages     = {45 Bl. : graph. Darst.},
  year      = {1998},
  language  = {en}
}
@article{Junek1998,
  author    = {Junek, Heinz},
  title     = {On unconditionally p-summing and weakly p-convergent polynomials},
  year      = {1998},
  language  = {en}
}
@article{NeidhardtZagrebnov1998,
  author    = {Neidhardt, Hagen and Zagrebnov, Valentin A.},
  title     = {Trotter-Kato product formula and symmetrically-normed ideals},
  year      = {1998},
  language  = {en}
}
@article{QuaisserAlpers1998,
  author    = {Quaisser, Erhard and Alpers, Karsten},
  title     = {Lattices in the Pseudoeuclidean plane},
  year      = {1998},
  language  = {en}
}
@article{Quaisser1998,
  author    = {Quaisser, Erhard},
  title     = {Lower levels of Euclidean planes},
  year      = {1998},
  language  = {en}
}
@article{Jonas1998,
  author    = {Jonas, Peter},
  title     = {Operator representations of definitizable functions},
  year      = {1998},
  language  = {en}
}
@article{LieroLaeuterKonakov1998,
  author    = {Liero, Hannelore and L{\"a}uter, Henning and Konakov, V. D.},
  title     = {Nonparametric versus parametric goodness of fit},
  issn      = {0323-3944},
  year      = {1998},
  language  = {en}
}
@article{Boelling1998,
  author    = {B{\"o}lling, Reinhard},
  title     = {Weierstraß and some members of his circle : Kovalevskaja, Fuchs, Schwarz, Schottky},
  isbn      = {3-7643-5943- 9},
  year      = {1998},
  language  = {en}
}
@article{Boelling1998,
  author    = {B{\"o}lling, Reinhard},
  title     = {An unknown photograph of Kovalevskaja},
  issn      = {0343-6993},
  year      = {1998},
  language  = {en}
}
@article{FinnerRoters1998,
  author    = {Finner, Helmut and Roters, Markus},
  title     = {Asymptotic comparison of step-down and step-up multiple test procedures based on exchangeable test statistics},
  year      = {1998},
  language  = {en}
}
@article{Roters1998,
  author    = {Roters, Markus},
  title     = {Optimal stopping in a dice game},
  year      = {1998},
  language  = {en}
}
@article{BoeckmannBieleNeuber1998,
  author    = {B{\"o}ckmann, Christine and Biele, Jens and Neuber, Roland},
  title     = {Analysis of multi-wavelength lidar data by inversion with mollifier method},
  year      = {1998},
  language  = {en}
}
@article{BoesenbergAlpersBoeckmannetal.1998,
  author    = {B{\"o}senberg, Jens and Alpers, Matthias and B{\"o}ckmann, Christine and J{\"a}ger, Horst and Matthias, Volker and Trickl, Thomas and Wandinger, Ulla and Wiegner, Matthias},
  title     = {A Lidar Network for the Establishment of an Aerosol Climatology},
  year      = {1998},
  language  = {en}
}
@article{BernutatBoeckmannRamlau1998,
  author    = {Bernutat, Claudia and B{\"o}ckmann, Christine and Ramlau, Ronny},
  title     = {Examination of the Nonlinear LIDAR-Operator : an Inverse Ill-posed Problem},
  year      = {1998},
  language  = {en}
}
@article{BoeckmannBernutatFischer1998,
  author    = {B{\"o}ckmann, Christine and Bernutat, Claudia and Fischer, Silva},
  title     = {The nonlinear LIDAR-equation : an inverse ill-posed problem},
  year      = {1998},
  language  = {en}
}
@article{BoeckmannNiebsch1998,
  author    = {B{\"o}ckmann, Christine and Niebsch, Jenny},
  title     = {Inverse Scattering Problems of the Nonlinear LIDAR-Equation},
  year      = {1998},
  language  = {en}
}
@book{LevendorskiiBoyarchenko1998,
  author    = {Levendorskii, S. Z. and Boyarchenko, Svetlana I.},
  title     = {On retional pricing of derivative securities for a family of non-gaussian processes},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 07},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {31 S.},
  year      = {1998},
  language  = {en}
}
@book{PaneahSchulze1998,
  author    = {Paneah, Boris and Schulze, Bert-Wolfgang},
  title     = {On the existence of smooth solutions of the Dirichlet problem for hyperbolic differential equations},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 05},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {11 S.},
  year      = {1998},
  language  = {en}
}
@book{FedosovSchulzeTarchanov1998,
  author    = {Fedosov, Boris V. and Schulze, Bert-Wolfgang and Tarchanov, Nikolaj N.},
  title     = {A remark on the index of symmetric operators},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 04},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {12 S.},
  year      = {1998},
  language  = {en}
}
@book{FedosovSchulzeTarchanov1998,
  author    = {Fedosov, Boris V. and Schulze, Bert-Wolfgang and Tarchanov, Nikolaj N.},
  title     = {The index of higher order operators on singular surfaces},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 03},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {27 S.},
  year      = {1998},
  language  = {en}
}
@book{NazajkinskijSchulzeSternin1998,
  author    = {Nazajkinskij, Vladimir E. and Schulze, Bert-Wolfgang and Sternin, Boris Ju.},
  title     = {The index of quantized contact transformations on manifolds with conical singularities},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 16},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {31 S.},
  year      = {1998},
  language  = {en}
}
@book{RabinovichSchulzeTarchanov1998,
  author    = {Rabinovich, Vladimir and Schulze, Bert-Wolfgang and Tarchanov, Nikolaj N.},
  title     = {Boundary value problems in cuspidal wedges},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 24},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {66 S.},
  year      = {1998},
  language  = {en}
}
@book{SchulzeTarchanov1998,
  author    = {Schulze, Bert-Wolfgang and Tarchanov, Nikolaj N.},
  title     = {Euler solutions of pseudodifferential equations},
  series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  volume    = {1998, 09},
  journal   = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {32 S.},
  year      = {1998},
  language  = {en}
}