@article{BUMI_1960_3_15_3_a1,
     author = {Calapso, Maria Teresa},
     title = {Sulle eliche di seconda specie.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {362--366},
     publisher = {mathdoc},
     volume = {Ser. 3, 15},
     number = {3},
     year = {1960},
     zbl = {0098.34803},
     mrnumber = {133746},
     language = {it},
     url = {https://geodesic-test.mathdoc.fr/item/BUMI_1960_3_15_3_a1/}
}