%0 Journal Article
%A M. B. Abrosimov
%A A. A. Matorin
%T Reliability analysis of graphical CAPTCHA-systems by the example of KCAPTCHA
%J Prikladnaâ diskretnaâ matematika
%D 2011
%P 40-41
%N 13
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PDM_2011_13_a21/
%G ru
%F PDM_2011_13_a21