%0 Journal Article %A A. V. Bitsadze %A V. I. Paškovskii %T On the theory of the Maxwell--Einstein equation %J Doklady Akademii Nauk %D 1974 %P 249-250 %V 216 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_216_2_a0/ %G ru %F DAN_1974_216_2_a0