TY - JOUR AU - Ya. B. Kadymov AU - G. B. Abdulov TI - The method of successive approximations in connection with second order differential equations JO - Differencialʹnye uravneniâ PY - 1972 SP - 1669 EP - 1673 VL - 8 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1972_8_9_a13/ LA - ru ID - DE_1972_8_9_a13 ER -