Related papers: Ambiguous ideal classes and ambiguous ideals

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Major mistake. The paper has been withdrawn.

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This paper has been withdrawn by the authors due to an unlikely results.

This paper has been withdrawn by the author, due to an error in the inequality after the inequality (31).

This paper has been withdrawn by the author due to a serious mistake on Lemma 2.4.

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This paper has been withdrawn by the authors, due to the discovery of paper 0201028 which predates it and contains most of it's results.

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This paper has been withdrawn by the authors, due a crucial mistake in Lemma 2

This paper has been withdrawn by the author because overcame by arXiv:0910.4694