TY - JOUR AU - E. G. Eroshkina TI - Singularly perturbed systems that contain singular manifolds, and isolated stable roots JO - Differencialʹnye uravneniâ PY - 1990 SP - 573 EP - 578 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_4_a2/ LA - ru ID - DE_1990_26_4_a2 ER -