TY - JOUR AU - V. A. Babeshko TI - On the nonuniqueness of solutions of dynamic mixed problems for JO - Doklady Akademii Nauk PY - 1990 SP - 1327 EP - 1330 VL - 310 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_310_6_a10/ LA - ru ID - DAN_1990_310_6_a10 ER -