Strictly Prime Distributively Generated Near-Rings. James C. Beidelman — 1967 Mathematische Zeitschrift
On the Theory of Radicals of Distributively Generated Near-Rings II. The Nil-Radical James C. Beidelman — 1967 Mathematische Annalen
On the Theory of Radicals of Distributively Generated Near-Rings James C. Beidelman — 1967 Mathematische Annalen