TY - JOUR AU - V. F. Baklanovskaya TI - On a method of studying the behavior of the difference of two solutions of nonlinear differential equations JO - Doklady Akademii Nauk PY - 1979 SP - 793 EP - 796 VL - 244 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_244_4_a0/ LA - ru ID - DAN_1979_244_4_a0 ER -