Aleksandra M. KobichevaElena Yu. TokarevaAcademic Publishing House Researcher. 26-2 Konstitutcii, Office No. 6, 354000 Sochi, Russian Federation. Tel: +7-918-2019719; e-mail: evr2010@rambler.ru; Web site: http://ejournal1.com/en/index.html...