TY - JOUR AU - L. P. Shilnikov TI - Existence of a countable set of periodic motions in a neighborhood of a homoclinic curve JO - Doklady Akademii Nauk PY - 1967 SP - 298 EP - 301 VL - 172 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_172_2_a12/ LA - ru ID - DAN_1967_172_2_a12 ER -