Raskin , Lev, Larysa Sukhomlyn, and Roman Korsun. “ANALYSIS OF MARСOVIAN SYSTEMS WITH A GIVEN SET OF SELECTED STATES”. Advanced Information Systems 6, no. 4 (December 8, 2022): 58–62. Accessed November 24, 2024. http://ais.khpi.edu.ua/article/view/268312.