1. Calculation of a fully-available communication system with repeated calls;Kornyshev;Elektrosvyaz,1969
2. A system with repeated calls and finite number of sources;Kornyshev;Elektrosvyaz,1977
3. Retrial Queues;Falin,1997
4. Algorithmic methods for single server systems with repeated attempts;de Kok;Statistica Nederlandica,1984
5. An analysis of repeated call model with a finite number of sources;Ohmura;Electronics and Communications in Japan,1985