%0 Journal Article
%A M. I. Zelikin
%T Group symmetry in degenerate extremal problems
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1988
%P 189-190
%V 43
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1988_43_2_a21/
%G en
%F RM_1988_43_2_a21