September 17, 2001
This paper has been withdrawn by the author, since most of the results have been published before.
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June 12, 2012
This class of diagrams has numerous applications. Many interesting results have been obtained for it.
June 22, 1999
This paper has been withdrawn by the author due to inconsistency of the considered working hypothesis.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.
June 1, 1998
This paper has been withdrawn by the authors.
October 27, 1999
This paper has been withdrawn.
April 15, 2011
This paper has been withdrawn by the author
May 27, 2008
This paper has been withdrawn by the author due to an error made in the analysis of MHV amplitudes with external fundamental matter fields in the superconformal N=2 SQCD.
June 16, 2005
This paper has been withdrawn.
September 5, 2017
Loopedia is a new database at loopedia.org for information on Feynman integrals, intended to provide both bibliographic information as well as results made available by the community. Its bibliometry is complementary to that of SPIRES or arXiv in the sense that it admits searching for integrals by graph-theoretical objects, e.g. its topology.
December 28, 1999
This paper has been withdrawn by the authors
July 26, 2005
This paper has been withdrawn