%0 Journal Article %A M. A. Pudovkina %A A. V. Toktarev %T Bounds for the number of rounds with impossible differences in generalized Feistel schemes %J Prikladnaâ diskretnaâ matematika %D 2015 %P 37-51 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2015_1_a3/ %G ru %F PDM_2015_1_a3