@article{VUU_2012_4_a10,
     author = {I. I. Ovsyannikov},
     title = {On stability of the {Chaplygin} ball motion on a~plane with an arbitrary friction law},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {140--145},
     year = {2012},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2012_4_a10/}
}