@article{SchroheSchulze1997,
  author    = {Schrohe, Elmar and Schulze, Bert-Wolfgang},
  title     = {A symbol algebra for pseudodifferential boundary value problems on manifolds with edges},
  year      = {1997},
  language  = {en}
}
@article{SchroheLeopold1997,
  author    = {Schrohe, Elmar and Leopold, H.-G.},
  title     = {Invariance of the LP spectrum for hypoeliptic operators},
  year      = {1997},
  language  = {en}
}
@article{Schrohe1997,
  author    = {Schrohe, Elmar},
  title     = {Noncommutative residue and manifolds with conicial singularities},
  year      = {1997},
  language  = {en}
}
@article{Schrohe1997,
  author    = {Schrohe, Elmar},
  title     = {Wodzicki{\"i}s noncommutative residue and trace for operator algebras on manifolds with conical singularities},
  year      = {1997},
  language  = {en}
}