@article{DzhunushalievSchmidt1999, author = {Dzhunushaliev, Vladimir and Schmidt, Hans-J{\"u}rgen}, title = {2+2-decomposable solutions of weyl gravity}, year = {1999}, language = {en} } @article{Schmidt1998, author = {Schmidt, Hans-J{\"u}rgen}, title = {2-dimensional representations of 4-dimensional gravitational waves}, year = {1998}, language = {en} } @article{DzhunushalievSchmidt1999, author = {Dzhunushaliev, Vladimir and Schmidt, Hans-J{\"u}rgen}, title = {4D wormhole with signature change in the presence of extra dimensions}, series = {General relativity and quantum cosmology : preprints gr-qc}, volume = {9908076}, journal = {General relativity and quantum cosmology : preprints gr-qc}, year = {1999}, language = {en} } @article{Schmidt1997, author = {Schmidt, Hans-J{\"u}rgen}, title = {A new duality transformation for fouth-order gravity}, year = {1997}, language = {en} } @article{Schmidt1997, author = {Schmidt, Hans-J{\"u}rgen}, title = {A new proof of Birkhoff{\"i}s theorem}, year = {1997}, 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{Schmidt2000, author = {Schmidt, Hans-J{\"u}rgen}, title = {Allgemeine Relativit{\"a}tstheorie}, year = {2000}, language = {de} } @book{Schmidt1995, author = {Schmidt, Hans-J{\"u}rgen}, title = {An alternate Hamiltonian formulation of fourth-order theories}, address = {Potsdam}, year = {1995}, language = {en} } @book{Schmidt1994, author = {Schmidt, Hans-J{\"u}rgen}, title = {An alternate Hamiltonian formulation of fourth-order theories}, series = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, volume = {1994, 12}, journal = {Preprint / Universit{\"a}t Potsdam, Institut f{\"u}r Mathematik}, publisher = {Univ.}, address = {Potsdam}, year = {1994}, language = {en} } @article{Schmidt1994, author = {Schmidt, Hans-J{\"u}rgen}, title = {Aufgaben zur Kosmologie}, year = {1994}, language = {de} }