%0 Journal Article %A D. N. Kolegov %A Yu. N. Chernushenko %T About the CTF – computer security competitions %J Prikladnaâ diskretnaâ matematika %D 2008 %P 81-83 %N 2 %U http://geodesic.mathdoc.fr/item/PDM_2008_2_a16/ %G ru %F PDM_2008_2_a16