TY - JOUR AU - G. V. Arzhanov TI - On a non-linear boundary-value problem of Riemann type JO - Doklady Akademii Nauk PY - 1960 SP - 1227 EP - 1230 VL - 132 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_132_6_a0/ LA - ru ID - DAN_1960_132_6_a0 ER -