Ndreca, Sokol; Scoppola, Benedetto - In: European Journal of Operational Research 189 (2008) 3, pp. 1403-1408
We study a discrete time single server system with generic distribution of the number of arrivals in a time slot, geometric distribution of the service time and two classes of customers. The customers can be served only when each time slot begins. The customers of the second class can be served...