%0 Journal Article %A A. A. Borisenko %A D. D. Sukhorebska %T Simple closed geodesics on regular tetrahedra in Lobachevsky space %J Sbornik. Mathematics %D 2020 %P 617-642 %V 211 %N 5 %U http://geodesic.mathdoc.fr/item/SM_2020_211_5_a0/ %G en %F SM_2020_211_5_a0