Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Numerieke Wiskunde

Beentjes, P. A. (1976). The solution of the order equations of a four-point, fourth-order, two-step runge-kutta method. In Stichting Mathematisch Centrum. Numerieke Wiskunde (NW 28/76). Stichting Mathematisch Centrum.