@article{VSPUI_2015_3_a9,
     author = {P. A. Lakrisenko},
     title = {On the stability of the equilibrium positions of nonlinear mechanical hybrid system},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {116--125},
     publisher = {mathdoc},
     number = {3},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2015_3_a9/}
}