Author: Mezhdunarodnai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Aktualʹnye problemy prigranichnykh raĭonov Belarusi i Rossiĭskoĭ Federat︠s︡ii" (2011 Vitebsk, Belarus)