@unpublished{RabinovichSchulzeTarkhanov2008,
  author  = {Vladimir Rabinovich and Bert-Wolfgang Schulze and Nikolai Nikolaevich Tarkhanov},
  title   = {A calculus of boundary value problems in domains with Non-Lipschitz Singular Points},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(1997) 09},
  year    = {2008},
}