TY - JOUR AU - A. Yu. Kolesov AU - E. F. Mishchenko AU - N. Kh. Rozov TI - New Methods for Proving the Existence and Stability of Periodic Solutions in Singularly Perturbed Delay Systems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2007 SP - 106 EP - 133 VL - 259 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2007_259_a7/ LA - ru ID - TM_2007_259_a7 ER -