@unpublished{NazaikinskiiSchulzeSternin2008,
  author  = {Vladimir E. Nazaikinskii and Bert-Wolfgang Schulze and Boris Sternin},
  title   = {Quantization methods in differential equations : Chapter 2: Quantization of Lagrangian modules},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(1999) 22},
  year    = {2008},
}