@book{JankeWuttkeAlpersetal.2005,
  author    = {Janke, Thomas and Wuttke, Hans and Alpers, Karsten and Jahnke, Thomas and Janßen, Martin and Siekmann, Angelika and Simanowsky, Ursula},
  title     = {Fokus Mathematik ; Analytische Geometrie Lineare Algebra ; Gymnasiale Oberstufe ; Baden-W{\"u}rttemberg},
  editor    = {Janke, Thomas and Wuttke, Hans},
  publisher = {Cornelsen},
  address   = {Berlin},
  isbn      = {3-464-57340-0},
  pages     = {271 S.},
  year      = {2005},
  language  = {de}
}