%0 Journal Article %A I. G. Fikhtengol'ts %T Conservation laws in Einstein's theory of gravitation %J Doklady Akademii Nauk %D 1966 %P 79-80 %V 170 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a19/ %G ru %F DAN_1966_170_1_a19