%0 Journal Article %A D. O. Kondyrev %T Development of a method for hiding private data for~a~blockchain-based tender system %J Prikladnaâ diskretnaâ matematika %D 2020 %P 63-81 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2020_2_a5/ %G ru %F PDM_2020_2_a5