@article{ND_2016_12_3_a5,
     author = {E. S. Shalimova},
     title = {On the motion of a material point on a rotating sphere with dry friction (the case of the vertical axis)},
     journal = {Russian journal of nonlinear dynamics},
     pages = {369--383},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2016_12_3_a5/}
}