%0 Journal Article %A B. Gajić %A B. Jovanović %T Two Integrable Cases of a Ball Rolling over a Sphere in $\mathbb{R}^n$ %J Russian journal of nonlinear dynamics %D 2019 %P 457-475 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2019_15_4_a5/ %G en %F ND_2019_15_4_a5