@misc{AscherChinPetzoldetal.2007,
  author    = {Uri M. Ascher and Hongsheng Chin and Linda R. Petzold and Sebastian Reich},
  title     = {Stabilization of constrained mechanical systems with DAEs and invariant manifolds},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Zweitver{\"o}ffentlichungen der Universit{\"a}t Potsdam : Mathematisch-Naturwissenschaftliche Reihe},
  number    = {paper 033},
  type      = {postprint},
  year        = {2007},
}