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My friend has written an introduction to algebraic number theory before, which contains a short proof of this statement, but I didn't check its validity. http://ihome.ust.hk/~masoarer/notes/intro_ant.pdf [Edit: Update the link of the document] http://www.2shared.com/document/2d6M7kNU/Introduction_to_Algebraic_Numb.html p.41 of the document, or p.45 of the pdf. |
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My friend has written an introduction to algebraic number theory before, which contains a short proof of this statement, but I didn't check its validity. http://ihome.ust.hk/~masoarer/notes/intro_ant.pdf p.41 of the document, or p.44 p.45 of the pdf. |
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My friend has written an introduction to algebraic number theory before, which contains a short proof of this statement, but I didn't check its validity. http://ihome.ust.hk/~masoarer/notes/intro_ant.pdf p.41 of the document, or p.44 of the pdf. |
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