%0 Journal Article
%A A. M. Perelomov
%A V. S. Popov
%T Casimir operators for the classical groups
%J Doklady Akademii Nauk
%D 1967
%P 287-290
%V 174
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_174_2_a7/
%G ru
%F DAN_1967_174_2_a7