TY - JOUR AU - A. A. Khasanov TI - On the asymptotics of the solution of a two-parameter singularly perturbed problem in the critical case JO - Doklady Akademii Nauk PY - 1979 SP - 559 EP - 562 VL - 249 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_249_3_a10/ LA - ru ID - DAN_1979_249_3_a10 ER -