Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Rekenafdeling

Dijkstra, E. (1962). An attempt to unify the constituent concepts of serial program execution : Paper Symposium symbolic language in data processing, Rome 1962. In Stichting Mathematisch Centrum. Rekenafdeling (MR 46/62). Stichting Mathematisch Centrum.