%0 Journal Article %A A. B. Kazansky %T The theory of porous medium sinuosity coefficient %J Doklady Akademii Nauk %D 1973 %P 552-554 %V 210 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a12/ %G ru %F DAN_1973_210_3_a12