TY - JOUR AU - B. V. Melent'ev TI - A boundary-value problem for equations of mixed type JO - Doklady Akademii Nauk PY - 1964 SP - 1262 EP - 1265 VL - 154 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_154_6_a4/ LA - ru ID - DAN_1964_154_6_a4 ER -