V. Gusynin, V. Miransky, and I. Shovkovy. (1995)cite arxiv:hep-ph/9509320
Comment: 54 pages, uuencoded LaTeX. Two figures included. The final, extended,
version. Accepted for publication in Nuclear Physics B.
Y. Simonov. (2010)cite arxiv:1003.3608
Comment: 17 pages, 4 figures; Invited talk at the International Conference
"Slavnov70", Moscow, 19-24 January, 2010.