%0 Journal Article %A V. V. Beletskii %A A. V. Dolganov %A O. P. Salimova %T Some model problems in the dynamics of a hopping apparatus %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1992 %P 69-72 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1992_3_a17/ %G ru %F VMUMM_1992_3_a17