TY - JOUR AU - S. V. Gonchenko AU - D. V. Turaev AU - L. P. Shilnikov TI - Existence of Infinitely Many Elliptic Periodic Orbits in Four-Dimensional Symplectic Maps with a~Homoclinic Tangency JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2004 SP - 115 EP - 142 VL - 244 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2004_244_a6/ LA - ru ID - TM_2004_244_a6 ER -