TY JOUR TI DEVELOPMENT OF A DISCRETE MODEL FOR ASSESSING THE EFFICIENCY OF FUNCTIONING OF SIGNIFICANT OBJECTS OF CRITICAL INFORMATION INFRASTRUCTURE IN THE CONDITIONS OF INFRASTRUCTURE DESTRUCTIVISM KW inter-object interaction KW infrastructural destructiveness KW critical information infrastructure object KW discrete Q-model KW program code vulnerabilities KW Markov chains KW effective functioning JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Dolzhenkov, S.S. AU Maksimova, E.A. PY 2025 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia