%0 Journal Article %A G. P. Agibalov %A I. A. Pankratova %T Statistical approximation theory for discrete functions with application in cryptanalysis of iterative block ciphers %J Prikladnaâ diskretnaâ matematika %D 2010 %P 51-68 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2010_3_a4/ %G ru %F PDM_2010_3_a4