%0 Journal Article %A V. P. Zhukov %T The source method in stability analysis of nonlinear systems %J Doklady Akademii Nauk %D 1978 %P 291-294 %V 243 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_243_2_a3/ %G ru %F DAN_1978_243_2_a3