Zakharov Dmitry A., Pudovkina Marina A. «On a set of impossible differences of feistel ciphers with a non-bijective transform of a round function» // Applied Discrete Mathematics. Supplement 2022. №15 C.49-50
Kurochkin Alexey V., Chukno Andrey B., Fomichev Vladimir M. «The difference relations and impossible differentials construction for the KB-256 algorithm» // Applied Discrete Mathematics. Supplement 2022. №15 C.73-77
