TY - JOUR AU - M. Ochirov TI - A nonstationary system connected with the Bitsadze equation JO - Differencialʹnye uravneniâ PY - 1984 SP - 714 EP - 716 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1984_20_4_a20/ LA - ru ID - DE_1984_20_4_a20 ER -