%0 Journal Article %A L. N. Romakina %T Inversion with respect to an elliptic cycle of a hyperbolicplane of positive curvature %J Trudy Instituta matematiki %D 2019 %P 60-78 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2019_27_1_a7/ %G ru %F TIMB_2019_27_1_a7