@unpublished{MakhmudovMakhmudovTarkhanov2015,
  author  = {K. O. Makhmudov and O. I. Makhmudov and Nikolai Nikolaevich Tarkhanov},
  title   = {A nonstandard Cauchy problem for the heat equation},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprints des Instituts f{\"u}r Mathematik der Universit{\"a}t Potsdam},
  number    = {4 (2015)11},
  pages     = {14},
  year    = {2015},
}