Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Mathematische Besliskunde

Tijms, H. (1978). An algorithm for average costs denumerable state semi-Markov decision problems with applications to controlled production and queueing systems : (preprint). In Stichting Mathematisch Centrum. Mathematische Besliskunde (BW 94/78). Stichting Mathematisch Centrum.