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This paper has been withdrawn.

This paper has been withdrawn

This paper has been withdrawn by the author since the comments have been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to an error in the proof.

This paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author.

This article has been withdrawn.

The paper has been withdrawn.

This paper has been withdrawn by the author due to extremely unscientific errors.

The paper has been withdrawn due to numerical error.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to errors and bad formalization.

This paper has been withdrawn by the author due a crucial error.

The paper has been withdrawn.

This paper was withdrawn by the author.

This paper has been withdrawn, as it has been merged into arXiv:1009.6144