@unpublished{CattiauxFradonKuliketal.2013,
  author  = {Patrick Cattiaux and Myriam Fradon and Alexei Michajlovič Kulik and Sylvie Roelly},
  title   = {Long time behavior of stochastic hard ball systems},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprints des Instituts f{\"u}r Mathematik der Universit{\"a}t Potsdam},
  number    = {2(2013)15},
  year    = {2013},
}