%0 Journal Article %A I. I. Artobolevsky %A V. A. Zinov'ev %A N. V. Umnov %T Equations of motion for a mechanism with varying velocity ratio %J Doklady Akademii Nauk %D 1967 %P 1017-1020 %V 173 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_173_5_a7/ %G ru %F DAN_1967_173_5_a7