@article{BUMI_2010_9_3_1_a3,
     author = {Lazzeri, F.},
     title = {Piani e sfere osculatrici ad archi differenziabili},
     journal = {Bollettino della Unione matematica italiana},
     pages = {111--124},
     publisher = {mathdoc},
     volume = {Ser. 9, 3},
     number = {1},
     year = {2010},
     zbl = {1192.53006},
     mrnumber = {2605914},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2010_9_3_1_a3/}
}