TY - JOUR AU - D. S. Reznik AU - R. Garcia AU - J. Koiller TI - The Ballet of Triangle Centers on the Elliptic Billiard JO - Journal for geometry and graphics PY - 2020 SP - 79 EP - 101 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2020_24_1_JGG_2020_24_1_a7/ ID - JGG_2020_24_1_JGG_2020_24_1_a7 ER -