%0 Journal Article %A R. E. Sharykin %T Application of formal methods in the design of a single window system %J Journal of the Belarusian State University. Mathematics and Informatics %D 2021 %P 79-90 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/BGUMI_2021_1_a6/ %G ru %F BGUMI_2021_1_a6