@article{PORMA_1985__43_3_114518,
     author = {Dixmier, J. and Lazard, D.},
     title = {Le nombre minimum d'invariants fondamentaux pour les formes binaires de degr\'e 7},
     journal = {Portugaliae mathematica},
     pages = {377--392},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1985},
     mrnumber = {0886462},
     zbl = {0602.15022},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1985__43_3_114518/}
}