%0 Journal Article %A E. S. Shalimova %T On the motion of a material point on a rotating sphere with dry friction (the case of the vertical axis) %J Russian journal of nonlinear dynamics %D 2016 %P 369-383 %V 12 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2016_12_3_a5/ %G ru %F ND_2016_12_3_a5