%0 Journal Article
%A K. S. Sibirskii
%T Invariants of linear representations of the rotation group of the plane and their applications in the qualitative theory of differential equations
%J Differencialʹnye uravneniâ
%D 1966
%P 908-918
%V 2
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1966_2_7_a4/
%G ru
%F DE_1966_2_7_a4