%0 Journal Article
%A T. Sabirov
%T The stability of small periodic solutions at multidimensional degeneracies
%J Doklady Akademii Nauk
%D 1968
%P 805-807
%V 181
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_181_4_a9/
%G ru
%F DAN_1968_181_4_a9