%0 Journal Article %A Т. M. Nguуen %T On non-sliding conditions of two–legged apparatus at beginning of its motion %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1989 %P 90-94 %N 2 %U http://geodesic.mathdoc.fr/item/VMUMM_1989_2_a25/ %G ru %F VMUMM_1989_2_a25