TY - JOUR AU - S. A. Lomov TI - Analytic solutions of singularly perturbed problems JO - Doklady Akademii Nauk PY - 1982 SP - 529 EP - 533 VL - 265 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_265_3_a3/ LA - ru ID - DAN_1982_265_3_a3 ER -