Author: Vserossiĭskai︠a︡ konferent︠s︡ii︠a︡ molodykh uchenykh, posvi︠a︡shchennai︠a︡ 140-letii︠u︡ so dni︠a︡ rozhdenii︠a︡ N.M. Knipovicha (2002 Murmansk, Russia)