%0 Journal Article %A A. M. Perelomov %A V. S. Popov %T “Latent” symmetry of Kepler's relativistic problem %J Doklady Akademii Nauk %D 1968 %P 320-323 %V 181 %N 2 %U http://geodesic.mathdoc.fr/item/DAN_1968_181_2_a16/ %G ru %F DAN_1968_181_2_a16