%0 Journal Article %A A. V. Burdeliov %T Restoration of the analytical task of the threshold $k$-valued function in the information protection node with incomplete data %J Journal of the Belarusian State University. Mathematics and Informatics %D 2023 %P 63-71 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/BGUMI_2023_3_a5/ %G ru %F BGUMI_2023_3_a5