TY - JOUR AU - V. V. Vedyushkina AU - A. I. Skvortsov TI - Topology of integrable billiard in an ellipse on the Minkowski plane with the Hooke potential JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2022 SP - 8 EP - 19 IS - 1 UR - http://geodesic.mathdoc.fr/item/VMUMM_2022_1_a1/ LA - ru ID - VMUMM_2022_1_a1 ER -