@book{EngelnMuellgesNiederdrenkWodicka2005,
  author    = {Engeln-M{\"u}llges, G. and Niederdrenk, K. and Wodicka, R.},
  title     = {Numerik-Algorithmen},
  edition   = {9. Auflage},
  publisher = {Springer-Verlag},
  isbn      = {3-540-62669-7},
  year      = {2005},
  language  = {de}
}
@book{EngelnMuellgesNiederdrenkWodicka2011,
  author    = {Engeln-M{\"u}llges, G. and Niederdrenk, K. and Wodicka, R.},
  title     = {Numerik-Algorithmen},
  edition   = {10. Auflage},
  publisher = {Springer-Verlag},
  isbn      = {978-3-642-13472-2},
  year      = {2011},
  language  = {de}
}