DEVELOPMENT OF RADIO ADMISSION SCHEME MODEL FOR 5G NETWORK SLICING FRAMEWORK AS A RETRIAL QUEUE ArticleMoskaleva Faina, Lisovskaya Ekaterina, Lapshenkova Lyubov, Gaidamaka Yuliya, Shorgin SergeyDistributed computer and communication networks: control, computation, communications (DCCN-2021). 2021. С. 409-414