%0 Journal Article %A B. P. Konstantinov %A L. V. Kotova %T The role of lengthwise mixing in exchange columns for the separation of isotopes %J Doklady Akademii Nauk %D 1960 %P 896-898 %V 135 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_135_4_a34/ %G ru %F DAN_1960_135_4_a34