TY  - JOUR
AU  - Petrova, Valentina
TI  - A decision hierarchical model of cyber security risk assessment
JO  - Mathematics and Education in Mathematics
PY  - 2021
SP  - 191
EP  - 195
VL  - 50
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MEM_2021_50_a20/
LA  - en
ID  - MEM_2021_50_a20
ER  -