TY - JOUR AU - A. B. Vasil'eva AU - V. A. Esipova TI - The extension of the class of conditionally stable singularly perturbed systems that admit application of the method of boundary functions JO - Differencialʹnye uravneniâ PY - 1975 SP - 1159 EP - 1174 VL - 11 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_7_a1/ LA - ru ID - DE_1975_11_7_a1 ER -