@book{WesterheideGarus1985,
  author    = {Westerheide, Peter and Garus, Guntram},
  title     = {Differential- und Integralrechnung},
  edition   = {1. Aufl.},
  publisher = {Hanser},
  address   = {M{\"u}nchen [u.a.]},
  isbn      = {3-446-13038-1},
  pages     = {250 S. : graph. Darst.},
  year      = {1985},
  language  = {de}
}