%0 Journal Article %A Ya. A. Sadukhiv %T On the construction of a formal query model for a relational database %J News of the Kabardin-Balkar scientific center of RAS %D 2000 %P 56-59 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IZKAB_2000_2_a3/ %G ru %F IZKAB_2000_2_a3