%0 Journal Article %A I. V. Grebennik %A S. V. Yakovlev %T Extremal properties of quadratic functions with Boolean variables %J Diskretnyj analiz i issledovanie operacij %D 1990 %P 30-34 %N 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_1990_30_a3/ %G ru %F DA_1990_30_a3