TY - JOUR AU - Yu. P. Boglaev TI - Numerical methods for solving singularly perturbed problems JO - Differencialʹnye uravneniâ PY - 1985 SP - 1804 EP - 1806 VL - 21 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_10_a24/ LA - ru ID - DE_1985_21_10_a24 ER -