@article{ASNSP_1983_4_10_3_493_0,
     author = {Forti, Marco and Honsell, Furio},
     title = {Set theory with free construction principles},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {493--522},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 10},
     number = {3},
     year = {1983},
     mrnumber = {739920},
     zbl = {0541.03032},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1983_4_10_3_493_0/}
}