@article{MignemiSchmidt1998,
  author    = {Mignemi, Salvatore and Schmidt, Hans-J{\"u}rgen},
  title     = {Classification of multidimensional inflationary models},
  year      = {1998},
  language  = {en}
}
@article{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {Exact cosmological solutions of nonlinear F(R)-gravity},
  series = {General relativity and quantum cosmology : preprints gr-qc},
  volume    = {9808060},
  journal   = {General relativity and quantum cosmology : preprints gr-qc},
  year      = {1998},
  language  = {en}
}
@book{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {Current topics in mathematical cosmology : proceedings of the International Seminar ; Potsdam, Germany 30 March 4 April 1998},
  editor    = {Rainer, Martin},
  publisher = {World Scientific},
  address   = {Singapore [u.a.]},
  isbn      = {981-023627-1},
  pages     = {XVII, 484 S.},
  year      = {1998},
  language  = {en}
}
@article{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {Exact cosmological solutions of nonlinear F(R)-gravity},
  isbn      = {981-023627-1},
  year      = {1998},
  language  = {en}
}
@article{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {Gravitation in 1+1 Dimensionen : exacte L{\"o}sungen, Konformrelationen und Beziehungen zum 3+1 -dimensionalen Fall},
  year      = {1998},
  language  = {de}
}
@article{Schmidt1998,
  author    = {Schmidt, Hans-J{\"u}rgen},
  title     = {A two-dimensional representation of four-dimensional graviational waves},
  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}
}
@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     = {2-dimensional representations of 4-dimensional gravitational waves},
  year      = {1998},
  language  = {en}
}