Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Toegepaste Wiskunde

Veling, E. J. M. (1982). Spectrum and eigenfunctions of a differential operator arising by linearization of the Fisher and related equations. In Stichting Mathematisch Centrum. Toegepaste Wiskunde (TW 232/82). Stichting Mathematisch Centrum.