TY - JOUR AU - L. P. Shilnikov TI - A case of the existence of a denumerable set of periodic motions JO - Doklady Akademii Nauk PY - 1965 SP - 558 EP - 561 VL - 160 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_160_3_a15/ LA - ru ID - DAN_1965_160_3_a15 ER -