@unpublished{NazaikinskiiSternin2008,
  author  = {Vladimir Nazaikinskii and Boris Sternin},
  title   = {On surgery in elliptic theory},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2000) 22},
  year    = {2008},
}