@unpublished{MakhmudovNiyozovTarkhanov2009,
  author  = {O. Makhmudov and I. Niyozov and Nikolai Nikolaevich Tarkhanov},
  title   = {The cauchy problem of couple-stress elasticity},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprint},
  number    = {(2006) 03},
  year    = {2009},
}