%0 Journal Article %A G. V. Belozerov %T Topological classification of integrable geodesic billiards on quadrics in three-dimensional Euclidean space %J Sbornik. Mathematics %D 2020 %P 1503-1538 %V 211 %N 11 %U http://geodesic.mathdoc.fr/item/SM_2020_211_11_a0/ %G en %F SM_2020_211_11_a0