@article{BUMI_1926_1_5_2_a5,
     author = {Picone, Mauro},
     title = {Sul determinante di {Gram}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {81--84},
     publisher = {mathdoc},
     volume = {Ser. 1, 5},
     number = {2},
     year = {1926},
     zbl = {52.0233.02},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1926_1_5_2_a5/}
}