%0 Journal Article %A A. O. Ignatyev %T Method of Lyapunov functions in problems of stability of solutions %J Sbornik. Mathematics %D 2003 %P 1543-1558 %V 194 %N 10 %U http://geodesic.mathdoc.fr/item/SM_2003_194_10_a5/ %G en %F SM_2003_194_10_a5