Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Informatica
Quantum Computing and Advanced System Research

Vitányi, P. (1983). An ***1.618 lower bound on the time to simulate one queue or two pushdown stores by one tape. In Stichting Mathematisch Centrum. Informatica (IW 245/83). Stichting Mathematisch Centrum.