%0 Journal Article
%A V. G. Kopp
%T Groups of infinitesimal revolutions of six-dimensional space of zero signature
%J Trudy Geometricheskogo Seminara
%D 1976
%P 43-53
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KUTGS_1976_9_a6/
%G ru
%F KUTGS_1976_9_a6