%0 Journal Article %A A. O. Ignatyev %A V. V. Kirichenko %T On Necessary Conditions for Global Asymptotic Stability of Equilibrium for the Li\'enard Equation %J Matematičeskie zametki %D 2013 %P 63-71 %V 93 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2013_93_1_a5/ %G ru %F MZM_2013_93_1_a5