%0 Journal Article %A R. I. Pimenov %T An application of semi-Riemannian geometry to unified field theory %J Doklady Akademii Nauk %D 1964 %P 795-797 %V 157 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_157_4_a10/ %G ru %F DAN_1964_157_4_a10