@article{05038655, title = {Operator gauge symmetry in QED.}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {2}, year = {2006}, zbl = {1093.81063}, language = {en}, url = {http://dml.mathdoc.fr/item/05038655} }
Khademi, Siamak; Nasiri, Sadollah. Operator gauge symmetry in QED.. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 2 (2006) . http://gdmltest.u-ga.fr/item/05038655/