@unpublished{DinesHarutjunjanSchulze2008,
  author  = {Nicoleta Dines and Gohar Harutjunjan and Bert-Wolfgang Schulze},
  title   = {The Zaremba problem in edge Sobolev spaces},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2003) 13},
  year    = {2008},
}