TY - JOUR AU - A. Yu. Kolesov AU - N. Kh. Rozov TI - Existence of solutions with turning points for nonlinear singularly perturbed boundary value problems JO - Matematičeskie zametki PY - 2000 SP - 520 EP - 524 VL - 67 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2000_67_4_a5/ LA - ru ID - MZM_2000_67_4_a5 ER -