@article{RSMUP_1982__67__181_0,
     author = {Napolitani, Franco},
     title = {Isomorfismi reticolari e gruppi perfetti},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {181--184},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {67},
     year = {1982},
     mrnumber = {682710},
     language = {it},
     url = {http://www.numdam.org/item/RSMUP_1982__67__181_0/}
}