%0 Journal Article %A I. A. Kukalo %T Analysis of the GOST 28147-89 modes of operation that provide confidentiality %J Prikladnaâ diskretnaâ matematika %D 2011 %P 34-36 %N 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2011_13_a18/ %G ru %F PDM_2011_13_a18