@Article{428713,
     author = "Vasiliy S. Bilchak, Natalia G. Duplenko",
     title = "The Regularities of the Regional Asymmetry of Small and Medium Enterprise Development",
     year =  2013,
     volume =  8,
     number =  3,
     journal =  Olsztyn Economic Journal,
     pages =  s. 211-220,
    }