%0 Journal Article
%A N. V. Mitskevich
%A José D. Mujica
%T Chronometric invariance and the problem of gravitational energy
%J Doklady Akademii Nauk
%D 1967
%P 809-811
%V 176
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_176_4_a18/
%G ru
%F DAN_1967_176_4_a18