%0 Journal Article %A V. G. Romanov %T Integral geometry on geodesics of an isotropic Riemannian metric %J Doklady Akademii Nauk %D 1978 %P 290-293 %V 241 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_241_2_a7/ %G ru %F DAN_1978_241_2_a7