%0 Journal Article %A O. B. Fedichev %A P. O. Fedichev %T An approximate solution of a 2D rigid body motion problem on a rough surface %J Russian journal of nonlinear dynamics %D 2010 %P 359-364 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2010_6_2_a8/ %G ru %F ND_2010_6_2_a8