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This paper has been withdrawn by the authors due to some technical problems in the paper.
This paper has been withdrawn by the authors, because of serious experimental problems.
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This paper has been withdrawn by the author due to extremely unscientific errors.
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This paper has been withdrawn by the authors because the results obtained have been reported earlier by other authors.
This paper was withdrawn by the author.
This paper has been withdrawn.
This paper has been withdrawn by the author(s), due a crucial sign error in conclusion .
This paper has been withdrawn by the author due to inconsistency of the considered working hypothesis.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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This paper has been withdrawn by the authors as requested by the journal.
This paper has been withdrawn by the author due to some problems.
This paper has been withdrawn by the authors.
This paper has been withdrawn.
This paper has been withdrawn by the author.
The paper has been withdrawn by the author because the result obtained has been reported earlier by other authors.
This paper has been withdrawn temporarily.