%0 Journal Article
%A A. L. Fradkov
%A V. A. Yakubovich
%T Necessary and sufficient conditions for absolute stability in classes of systems with two integral quadratic relations
%J Doklady Akademii Nauk
%D 1973
%P 798-801
%V 213
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_213_4_a12/
%G ru
%F DAN_1973_213_4_a12