Shanthikumar, J. George; Yao, David D. - In: Management Science 33 (1987) 9, pp. 1173-1180
Consider a closed queueing network (Gordon and Newell [Gordon, W. J., G. F. Newell. 1967. Closed queueing networks with exponential servers. Oper. Res. 15 252--267.]) with a set of stations. The service rate at each station is an increasing concave function of the number of jobs at that station....
