@article{BSMF_1981__109__227_0,
     author = {Ballico, Edoardo},
     title = {Normal bundle to curves in quadrics},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {227--235},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {109},
     year = {1981},
     doi = {10.24033/bsmf.1939},
     mrnumber = {83e:14011a},
     zbl = {0527.14023},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1939/}
}