@article{JDM_1904__13_144951,
     author = {Giovanni Zeno Giambelli},
     title = {Sul principio della conservazione del numero.},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {545--556},
     publisher = {mathdoc},
     volume = {13},
     year = {1904},
     zbl = {35.0574.03},
     url = {http://geodesic.mathdoc.fr/item/JDM_1904__13_144951/}
}