@article{1103839893, author = {Lovelace, C.}, title = {Uniqueness and symmetry breaking in $S$-matrix theory}, journal = {Comm. Math. Phys.}, volume = {4}, number = {1}, year = {1967}, pages = { 261-302}, language = {en}, url = {http://dml.mathdoc.fr/item/1103839893} }
Lovelace, C. Uniqueness and symmetry breaking in $S$-matrix theory. Comm. Math. Phys., Tome 4 (1967) no. 1, pp. 261-302. http://gdmltest.u-ga.fr/item/1103839893/