@article{VSPUI_2015_1_a10,
     author = {A. Yu. Aleksandrov and E. B. Aleksandrova and A. V. Platonov},
     title = {Stability analysis of equilibrium positions of nonlinear mechanical systems with nonstationary leading parameter at the potential forces},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {107--119},
     publisher = {mathdoc},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2015_1_a10/}
}