%0 Journal Article %A R. I. Ayukaev %A V. K. Kivran %A M. È. Aerov %T On the determination of tortuosity coefficient of a granular porous medium %J Doklady Akademii Nauk %D 1974 %P 66-69 %V 218 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_218_1_a15/ %G ru %F DAN_1974_218_1_a15