@article{MAN_1884__24_157146,
     author = {Segre},
     title = {Sur les invariants simultan\'es de deux formes quadratiques. {Extrait} d'une lettre adress\'ee \`a {M.} {J.} {Rosanes}},
     journal = {Mathematische Annalen},
     pages = {152--152},
     publisher = {mathdoc},
     volume = {24},
     year = {1884},
     url = {http://geodesic.mathdoc.fr/item/MAN_1884__24_157146/}
}