@unpublished{BegunGaździckiGorensteinetal.2004,
  author  = {Viktor V. Begun and Marek Ga{\'{z}}dzicki and Mark I. Gorenstein and Oleksandr S. Zozulya},
  title   = {Particle number fluctuations in canonical ensemble},
  institution = {Physik},
  pages     = {13},
  year    = {2004},
}