@article{BUMI_2005_8_8A_3-1_a29,
     author = {Ghimenti, Marco G.},
     title = {Geodetiche su variet\`a coniche},
     journal = {Bollettino della Unione matematica italiana},
     pages = {545--548},
     publisher = {mathdoc},
     volume = {Ser. 8, 8A},
     number = {3-1},
     year = {2005},
     zbl = {0778.58011},
     mrnumber = {1131853},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2005_8_8A_3-1_a29/}
}