TY - JOUR AU - G. V. Belozerov TI - Topology of $5$-surfaces of a 3D billiard inside a triaxial ellipsoid with Hooke's potential JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2022 SP - 21 EP - 31 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2022_6_a3/ LA - ru ID - VMUMM_2022_6_a3 ER -