%0 Journal Article %A S. G. Osipov %A V. V. Ternovskii %A M. M. Khapaev %T Properties of the solution of a nonlinear variational problem %J Differencialʹnye uravneniâ %D 1988 %P 1274-1276 %V 24 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_7_a26/ %G ru %F DE_1988_24_7_a26