%0 Journal Article %A D. I. Blokhintsev %T Space-time metric and non-linear fields %J Doklady Akademii Nauk %D 1966 %P 774-776 %V 168 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_168_4_a14/ %G ru %F DAN_1966_168_4_a14