Related papers: Optical theorem and cutting rules

Manuscript withdrawn by the authors.

The paper has been withdrawn

This paper has been withdrawn because the content has been substantially improved in a later paper, arXiv:0806.1165.

The paper is withdrawn. The proof has an error and it requires a different approach.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author.

The paper is withdrawn.

This paper has been withdrawn.

This paper has been withdrawn by the author due to similarity to Author's other paper

The paper has been withdrawn by the author.

%auto-ignore The paper has been withdrawn by authors. The completely revised version can be found under the following preprint-no: hep-ph/9910282.

This paper has been withdrawn by the author due to errors.

This paper has been withdrawn by the authors due to several major changes in concepts and results. New version will follow briefly as a new e-print.

This paper has been withdrawn by the authors.

This paper has been withdrawn

This paper has been withdrawn.

This paper has been withdrawn.

This paper was withdrawn on 20.11.97.

The paper has been withdrawn by change of content and some errors in the examples.

This paper has been withdrawn by the author due to an erro thereon line -2 of page 4.