%0 Journal Article
%A Petrova, Valentina
%T A decision hierarchical model of cyber security risk assessment
%J Mathematics and Education in Mathematics
%D 2021
%P 191-195
%V 50
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MEM_2021_50_a20/
%G en
%F MEM_2021_50_a20