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On torsion-free abelian groups whose endomorphism rings are principal ideal domains |
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| Authors: | J.D. Botha P.J. Gräbe |
| Affiliation: | 1. University of South Africa , Pretoria , South Africa;2. University of Pretoria , Pretoria , South Africa |
| Abstract: | |
| Keywords: | 20 K15 20 K 25 |