@unpublished{SchulzeNazaikinskiiSterninetal.2008,
  author  = {Bert-Wolfgang Schulze and Vladimir Nazaikinskii and Boris Sternin and Victor Shatalov},
  title   = {Spectral boundary value problems and elliptic equations on singular manifolds},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(1997) 36},
  year    = {2008},
}