@article{1103941987, author = {Zimmermann, W.}, title = {Reduction in the number of coupling parameters}, journal = {Comm. Math. Phys.}, volume = {97}, number = {3}, year = {1985}, pages = { 211-225}, language = {en}, url = {http://dml.mathdoc.fr/item/1103941987} }
Zimmermann, W. Reduction in the number of coupling parameters. Comm. Math. Phys., Tome 97 (1985) no. 3, pp. 211-225. http://gdmltest.u-ga.fr/item/1103941987/