@article{VUU_2020_30_4_a6,
     author = {A. A. Kilin and E. N. Pivovarova},
     title = {Nonintegrability of the problem of a spherical top rolling on a vibrating plane},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {628--644},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2020_30_4_a6/}
}