@article{BUMI_1930_1_9_1_a0,
     author = {Segre, Beniamino},
     title = {Sulle corrispondenze (2,2) cicliche},
     journal = {Bollettino della Unione matematica italiana},
     pages = {1--3},
     publisher = {mathdoc},
     volume = {Ser. 1, 9},
     number = {1},
     year = {1930},
     zbl = {56.1154.02},
     language = {it},
     url = {https://geodesic-test.mathdoc.fr/item/BUMI_1930_1_9_1_a0/}
}