%0 Journal Article %A A. K. Guts %T On mappings of families of~oricycles in Lobachevskii space %J Sbornik. Mathematics %D 1973 %P 131-138 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1973_19_1_a8/ %G en %F SM_1973_19_1_a8