%0 Journal Article %A S. K. Voloshin %A V. A. Roman'kov %T Discrete differentiations and integrations and their possible applications to algebra and cryptography %J Prikladnaâ diskretnaâ matematika %D 2023 %P 5-14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2023_3_a0/ %G ru %F PDM_2023_3_a0