TY - JOUR AU - Yu. M. Vahromeev AU - V. M. Kornev TI - Boundary value problems with a small parameter for ordinary linear differential equations JO - Differencialʹnye uravneniâ PY - 1977 SP - 1163 EP - 1170 VL - 13 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_7_a0/ LA - ru ID - DE_1977_13_7_a0 ER -