TY - JOUR AU - N. S. Bakhvalov TI - Parabolic systems with small parameters in the higher derivatives JO - Doklady Akademii Nauk PY - 1967 SP - 263 EP - 266 VL - 174 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_174_2_a0/ LA - ru ID - DAN_1967_174_2_a0 ER -