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This paper has been withdrawn by the authors, due to the requirement of the Journal where a modified version will be published.

This paper has been withdrawn by the author due to similarity to the author's other paper

This paper has been withdrawn by the author ali pourmohammad.

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This paper has been withdrawn by the authors due to a crucial error.

This paper has been withdrawn by the author due to text overlap with arXiv:1102.5004, as well as omission of proper citations to arXiv:1110.4655 and arXiv:1111.0313

This paper has been withdrawn since we combine this paper with math.AC/0503685. All contents of the paper have been moved to math.AC/0503685.

This paper is currently withdrawn and is being revised by the authors.

The article is withdrawn. Its content is contained in the final version of arXiv:0805.1634.

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This paper has been withdrawn by the author due to essential mistakes in some previous versions.

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This paper has been withdrawn by the author due to inconsistency of the considered working hypothesis. The consistent treatment is presented in the last publications of the author.

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