TY - JOUR AU - T. I. Zelenyak TI - On the question of stability of mixed problems for a quasi-linear equation JO - Differencialʹnye uravneniâ PY - 1967 SP - 19 EP - 29 VL - 3 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1967_3_1_a2/ LA - ru ID - DE_1967_3_1_a2 ER -