@incollection{B{\"u}chler2014,
  author    = {B{\"u}chler, Jan-Philipp},
  title     = {Business strategy in Russia},
  series = {Strategy case book},
  publisher = {K{\"o}lner Wissenschafts-Verlag},
  address   = {K{\"o}ln},
  pages     = {12},
  year      = {2014},
  language  = {en}
}