Author: Mezhdunarodnai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡, posvi︠a︡shchennai︠a︡ 210-letii︠u︡ V.I. Dali︠a︡ (2011 Krasnoi︠a︡rsk, Russia)