%0 Journal Article
%A V. G. Kopp
%T Invariant groups of motions in a Euclidean space $R_4$
%J Trudy Geometricheskogo Seminara
%D 1984
%P 47-64
%V 16
%U http://geodesic.mathdoc.fr/item/KUTGS_1984_16_a6/
%G ru
%F KUTGS_1984_16_a6