@article{BUMI_1953_3_8_4_a14,
     author = {Tenca, Luigi},
     title = {Sulle vele secondarie di {Vincenzio} {Viviani.}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {456--459},
     publisher = {mathdoc},
     volume = {Ser. 3, 8},
     number = {4},
     year = {1953},
     zbl = {0051.24303},
     mrnumber = {59858},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1953_3_8_4_a14/}
}