TY - JOUR AU - N. M. Yataev TI - On third-order degenerate operator-differential equations JO - Differencialʹnye uravneniâ PY - 1988 SP - 477 EP - 481 VL - 24 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_3_a13/ LA - ru ID - DE_1988_24_3_a13 ER -