Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Statistische Afdeling

Göbel, F. (1964). Some remarks on ballot problems : Paper presented at the I.M.S. conference, Berne 1964. (revision of s 321). Stichting Mathematisch Centrum. Statistische Afdeling. Stichting Mathematisch Centrum.