@phdthesis{Wei2008,
  author    = {Wei, Yawei},
  title     = {Operators on manifolds with edge and boundary with singular trace conditions},
  address   = {Potsdam},
  pages     = {128 S.: graph. Darst.},
  year      = {2008},
  language  = {en}
}
@phdthesis{Wei2008,
  author    = {Wei, Yawei},
  title     = {Operators on Manifolds with Edge and Boundary with Singular Trace Conditions},
  address   = {Potsdam},
  pages     = {127 S., : graph. Darst.},
  year      = {2008},
  language  = {en}
}