TY - JOUR AU - L. V. Rakin TI - The existence of a solution of a certain nonlinear boundary value problem JO - Differencialʹnye uravneniâ PY - 1975 SP - 2100 EP - 2101 VL - 11 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_11_a22/ LA - ru ID - DE_1975_11_11_a22 ER -