@article{1103857336, author = {Humi, Mayer}, title = {Gauge invariance and the generalized Bondi-Metzner algebra}, journal = {Comm. Math. Phys.}, volume = {20}, number = {1}, year = {1971}, pages = { 237-243}, language = {en}, url = {http://dml.mathdoc.fr/item/1103857336} }
Humi, Mayer. Gauge invariance and the generalized Bondi-Metzner algebra. Comm. Math. Phys., Tome 20 (1971) no. 1, pp. 237-243. http://gdmltest.u-ga.fr/item/1103857336/