K. Sielivanov, B. Muliar, Y. Kolyadenko, and M. Moskalets, “MODEL OF INTERACTIONS AND PHASE STATES IN THE DISTRIBUTION OF THE FREQUENCY RESOURCE IN THE GROUPING OF RADIO ELECTRONIC MEANS OF A 5G MOBILE COMMUNICATION NETWORK”, ITSSI, no. 2 (16), pp. 89–97, Jul. 2021.