%0 Journal Article %A S. S. Ryshkov %A R. M. Erdahl %T Dual systems of integer-valued vectors and their applications %J Doklady Akademii Nauk %D 1990 %P 123-128 %V 314 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a28/ %G ru %F DAN_1990_314_1_a28