%0 Journal Article %A Yu. P. Vyblyi %A O. S. Ivanitskaya %T Gauging of electromagnetic orientation in general relativity %J Doklady Akademii Nauk %D 1981 %P 54-57 %V 256 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_256_1_a12/ %G ru %F DAN_1981_256_1_a12