@article{ASNSP_1970_3_24_4_585_0,
     author = {Traverso, Carlo},
     title = {Seminormality and {Picard} group},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {585--595},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 24},
     number = {4},
     year = {1970},
     mrnumber = {277542},
     zbl = {0205.50501},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1970_3_24_4_585_0/}
}