%0 Journal Article %A A. A. Martinyuk %T On Chaplygin-Lyapunov comparison principle in nonlinear mechanics %J Theoretical and applied mechanics %D 1979 %P 85 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAM_1979_5_1_a8/ %G en %F TAM_1979_5_1_a8