%0 Journal Article %A V. S. Klimov %T A certain class of boundary value problems for nonlinear differential equations %J Differencialʹnye uravneniâ %D 1970 %P 1818-1823 %V 6 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_10_a8/ %G ru %F DE_1970_6_10_a8