@article{BUMI_1964_3_19_3_a6,
     author = {Cellucci, Carlo},
     title = {Categorie ricorsive.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {300--305},
     publisher = {mathdoc},
     volume = {Ser. 3, 19},
     number = {3},
     year = {1964},
     zbl = {0149.00802},
     mrnumber = {171701},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1964_3_19_3_a6/}
}