%0 Journal Article %A J. V. Romanovsky %T The use of linear expansion in the solution of integer extremal problems by sorting methods %J Doklady Akademii Nauk %D 1968 %P 22-25 %V 181 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_181_1_a4/ %G ru %F DAN_1968_181_1_a4