TY - JOUR AU - M. A. Yagubov TI - The branching of the solutions of a mixed problem for a certain operator-differential equation JO - Differencialʹnye uravneniâ PY - 1970 SP - 1528 EP - 1531 VL - 6 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1970_6_8_a25/ LA - ru ID - DE_1970_6_8_a25 ER -