TY - JOUR AU - V. A. Churikov TI - Conditions for the existence of the Green's function of a boundary value problem JO - Differencialʹnye uravneniâ PY - 1966 SP - 1184 EP - 1192 VL - 2 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1966_2_9_a5/ LA - ru ID - DE_1966_2_9_a5 ER -