@unpublished{KapanadzeSchulze2009,
  author  = {David Kapanadze and Bert-Wolfgang Schulze},
  title   = {Boundary-contact problems for domains with edge singularities},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2005) 14},
  year    = {2009},
}