TY - JOUR AU - E. P. Kubishkin TI - The method of infinite-dimensional normalization in the investigation of self-oscillatory solutions of a class of singularly perturbed boundary value problems JO - Doklady Akademii Nauk PY - 1989 SP - 1041 EP - 1045 VL - 306 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_306_5_a2/ LA - ru ID - DAN_1989_306_5_a2 ER -