@article{1103842578, author = {Stichel, P.}, title = {On the validity of Ward identities}, journal = {Comm. Math. Phys.}, volume = {16}, number = {1}, year = {1970}, pages = { 275-290}, language = {en}, url = {http://dml.mathdoc.fr/item/1103842578} }
Stichel, P. On the validity of Ward identities. Comm. Math. Phys., Tome 16 (1970) no. 1, pp. 275-290. http://gdmltest.u-ga.fr/item/1103842578/