TY - JOUR AU - S. A. Trushin AU - M. M. Khapaev AU - G. V. Sholin TI - Investigation of singularly perturbed equations that describe JO - Doklady Akademii Nauk PY - 1988 SP - 74 EP - 77 VL - 303 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_303_1_a16/ LA - ru ID - DAN_1988_303_1_a16 ER -