%0 Journal Article %A V. A. Kondrat'ev %A A. A. Kon'kov %T On properties of solutions of a class of nonlinear second-order equations %J Sbornik. Mathematics %D 1995 %P 67-77 %V 83 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1995_83_1_a2/ %G en %F SM_1995_83_1_a2