TY - JOUR AU - G. P. Agibalov AU - I. A. Pankratova TI - Statistical approximation theory for discrete functions with application in cryptanalysis of iterative block ciphers JO - Prikladnaâ diskretnaâ matematika PY - 2010 SP - 51 EP - 68 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2010_3_a4/ LA - ru ID - PDM_2010_3_a4 ER -