%0 Journal Article %A V. V. Rzhevskii %A Yu. I. Protasov %A A. G. Sarkisova %T Electric conductivity of heterogenic media %J Doklady Akademii Nauk %D 1968 %P 73-74 %V 180 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_180_1_a19/ %G ru %F DAN_1968_180_1_a19