@unpublished{LaeuterLiero2011,
  author  = {Henning L{\"a}uter and Hannelore Liero},
  title   = {Nonparametric estimation and testing in survival models},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Mathematische Statistik und Wahrscheinlichkeitstheorie : Preprint},
  number    = {2004, 05},
  year    = {2011},
}