Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1951__10_1_114499, author = {Segre, Beniamino}, title = {Alcune questioni algebrico-differenziali}, journal = {Portugaliae mathematica}, pages = {29--36}, publisher = {mathdoc}, volume = {10}, number = {1}, year = {1951}, mrnumber = {0044862}, zbl = {0043.36102}, language = {it}, url = {http://geodesic.mathdoc.fr/item/PORMA_1951__10_1_114499/} }
Segre, Beniamino. Alcune questioni algebrico-differenziali. Portugaliae mathematica, Tome 10 (1951) no. 1, pp. 29-36. http://geodesic.mathdoc.fr/item/PORMA_1951__10_1_114499/