%0 Journal Article %A Yu. V. Rakitin %A M. V. Eremin %A V. T. Kalinnikov %T A model of channels in the theory of exchange %J Doklady Akademii Nauk %D 1977 %P 327-329 %V 233 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_233_2_a17/ %G ru %F DAN_1977_233_2_a17