@article{BUMI_2004_8_7A_3_a9,
     author = {Cattabriga, Alessia},
     title = {(1,1)-nodi e gruppi ciclicamente presentati},
     journal = {Bollettino della Unione matematica italiana},
     pages = {459--462},
     publisher = {mathdoc},
     volume = {Ser. 8, 7A},
     number = {3},
     year = {2004},
     zbl = {0963.57002},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2004_8_7A_3_a9/}
}