@misc{BUMI_1929_1_8_2_a9,
     title = {Corrispondenza},
     journal = {Bollettino della Unione matematica italiana},
     pages = {113--113},
     publisher = {mathdoc},
     volume = {Ser. 1, 8},
     number = {2},
     year = {1929},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1929_1_8_2_a9/}
}