%0 Journal Article %A P. N. Devyanin %A M. A. Leonova %T The techniques of formalization of OS Astra Linux Special Edition access control model using Event-B formal method for verification using Rodin and ProB %J Prikladnaâ diskretnaâ matematika %D 2021 %P 83-96 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2021_2_a4/ %G ru %F PDM_2021_2_a4