Leoshchenko , S. D. ., S. A. Subbotin, A. O. Oliinyk, and O. E. Narivs’kiy. “IMPLEMENTATION OF THE INDICATOR SYSTEM IN MODELING OF COMPLEX TECHNICAL SYSTEMS”. Radio Electronics, Computer Science, Control, no. 1, Mar. 2021, pp. 117-26, doi:10.15588/1607-3274-2021-1-12.