@article{TM_2011_272_a11,
     author = {Marc Henneaux and Axel Kleinschmidt and Gustavo Lucena G\'omez},
     title = {Remarks on gauge invariance and first-class constraints},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {152--161},
     publisher = {mathdoc},
     volume = {272},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_2011_272_a11/}
}