@misc{Schrohe1998,
  author    = {Schrohe, Elmar},
  title     = {Wloka, J. T. [u.a.], Boundary value problems for eliptic systems},
  year      = {1998},
  language  = {en}
}
@misc{Schrohe1995,
  author    = {Schrohe, Elmar},
  title     = {Schulze, B.-W., Pseudo-Differential Boundary Value Problems, Conical Singularities, and Asymptotics; Berlin, Akademie-Verl., 1995},
  year      = {1995},
  language  = {en}
}
@misc{Schrohe1998,
  author    = {Schrohe, Elmar},
  title     = {Lesch, M., Operators of Fuchs type, conical singularities, and asymptotic methods},
  year      = {1998},
  language  = {en}
}
@misc{Schrohe1999,
  author    = {Schrohe, Elmar},
  title     = {Lesch, M., Operators of Fuchs type, conical singularities, and asymptotic methods},
  year      = {1999},
  language  = {en}
}