TY - JOUR AU - Tran Duc Van TI - Solvability of boundary value problems for infinite-order nonlinear degenerate differential equations JO - Differencialʹnye uravneniâ PY - 1980 SP - 1850 EP - 1863 VL - 16 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1980_16_10_a13/ LA - ru ID - DE_1980_16_10_a13 ER -