%0 Journal Article %A L. M. Kovrizhnykh %A D. P. Kostomarov %A D. Yu. Sychugov %A S. V. Shchepetov %T Properties of the structures of magnetic surfaces in plasma %J Differencialʹnye uravneniâ %D 1989 %P 983-989 %V 25 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_6_a9/ %G ru %F DE_1989_25_6_a9