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Technical Notes - A semidefinite programming approach to the optimal control of a single server queueing system with imposed second moment constraints
Ansell, P.S., (1999)
Scheduling multiclass queueing networks on parallel servers : approximate and heavy-traffic optimality of Klimov's rule
Glazebrook, Kevin D., (1997)
Whittle's index policy for a multi-class queueing system with convex holding costs
Ansell, P. S., (2003)