TY - JOUR AU - Tran Duc Van TI - A boundary value problem for degenerate ordinary differential equations of infinite order JO - Differencialʹnye uravneniâ PY - 1978 SP - 2002 EP - 2011 VL - 14 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_11_a6/ LA - ru ID - DE_1978_14_11_a6 ER -