%0 Journal Article
%A M. M. Khapaev
%T Instability under constantly acting perturbations
%J Doklady Akademii Nauk
%D 1968
%P 47-50
%V 178
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_178_1_a11/
%G ru
%F DAN_1968_178_1_a11