%0 Journal Article %A A. M. Zubkov %A A. A. Serov %T Estimates for the number of Boolean functions having affine or quadratic approximations with a~given accuracy %J Prikladnaya Diskretnaya Matematika. Supplement %D 2012 %P 11-13 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2012_5_a3/ %G ru %F PDMA_2012_5_a3