%0 Journal Article
%A G. A. Gal'perin
%T The concept of the center of mass of a system of mass points in
%J Doklady Akademii Nauk
%D 1988
%P 1039-1044
%V 302
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_302_5_a2/
%G ru
%F DAN_1988_302_5_a2