Open Mathematics > 2009 > 7 > 1 > 61-65
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journal ISSN : | 2391-5455 |
DOI | 10.2478/s11533-008-0054-4 |
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Bibliography
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[1] Bourbaki N., Elements of Mathematics. Algebra, Addison-Wesley Publishing Co., Reading Mass., 1974
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[2] Grillet P.A., Algebra, John Wiley & Sons, Inc., New York, 1999
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[3] Lang S., Algebra, Addison-Wesley Publishing CO., 1993