@article{BUMI_1951_3_6_4_a13,
     author = {Maccaferri, Eugenio},
     title = {I teoremi di {Pappo-Guldino.}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {323--327},
     publisher = {mathdoc},
     volume = {Ser. 3, 6},
     number = {4},
     year = {1951},
     zbl = {0043.35706},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1951_3_6_4_a13/}
}