%0 Journal Article %A A. Yu. Aleksandrov %A E. B. Aleksandrova %A A. V. Platonov %T Stability analysis of equilibrium positions of nonlinear mechanical systems with nonstationary leading parameter at the potential forces %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2015 %P 107-119 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSPUI_2015_1_a10/ %G ru %F VSPUI_2015_1_a10