Szerző: " Leeuwen Leonard C. A. van"

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Leeuwen Leonard C. A. van: On questions of hereditariness of radicals. In: Acta scientiarum mathematicarum, (47) 3-4. pp. 307-319. (1984)

Leeuwen Leonard C. A. van: Complements of radicals in the class of hereditarily artinian rings. In: Acta scientiarum mathematicarum, (39) 3-4. pp. 313-318. (1977)

Leeuwen Leonard C. A. van: Rings with e as a radical element. In: Acta scientiarum mathematicarum, (38) 1-2. pp. 97-102. (1976)

Leeuwen Leonard C. A. van: On p-pure subgroups of torsion-free cotorsion groups. In: Acta scientiarum mathematicarum, (35). pp. 95-106. (1973)

Leeuwen Leonard C. A. van: Remarks on endomorphism rings of torsion-free abelian groups. In: Acta scientiarum mathematicarum, (32) 3-4. pp. 345-350. (1971)

Leeuwen Leonard C. A. van: Square extensions of finite rings. In: Acta scientiarum mathematicarum, (29) 3-4. pp. 247-260. (1968)

Leeuwen Leonard C. A. van: On the endomorphism ring of direct sums of groups. In: Acta scientiarum mathematicarum, (28) 1-2. pp. 21-29. (1967)

Leeuwen Leonard C. A. van: Über die zulässigen Ideale in Szepschen Ringerweiterungen : L. C. A. van Leeuwen. In: Acta scientiarum mathematicarum, (26) 1-2. pp. 149-158. (1965)