TY - JOUR AU - V. A. Kondrat'ev AU - A. A. Kon'kov TI - On properties of solutions of a~class of nonlinear second-order equations JO - Sbornik. Mathematics PY - 1995 SP - 67 EP - 77 VL - 83 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1995_83_1_a2/ LA - en ID - SM_1995_83_1_a2 ER -