Yanko, A., V. Krasnobayev, and P. Sabelnikova. “Mathematical Model of the Reliability of the Cs Operating in the Mns Based on the Use of the Principle of Passive Fault Tolerance”. Control, Navigation and Communication Systems. Academic Journal, Vol. 3, no. 73, PNTU, Sept. 2023, pp. 144-7, doi:https://doi.org/10.26906/SUNZ.2023.3.144.