TY - JOUR AU - A. I. Yanushauskas TI - Unconditional solvability of the oblique derivative problem JO - Differencialʹnye uravneniâ PY - 1967 SP - 89 EP - 96 VL - 3 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1967_3_1_a8/ LA - ru ID - DE_1967_3_1_a8 ER -