%0 Journal Article %A R. P. Gaida %A V. I. Tretyak %A Yu. G. Yaremko %T Center-of-mass variables in the relativistic Lagrangian dynamics of a system of particles %J Teoretičeskaâ i matematičeskaâ fizika %D 1994 %P 402-416 %V 101 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1994_101_3_a8/ %G ru %F TMF_1994_101_3_a8