%0 Journal Article %A S. V. Vedernikov %T Special morphisms of $G$-spaces %J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara %D 1975 %P 49-68 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTG_1975_7_a4/ %G ru %F INTG_1975_7_a4