@article{BUMI_2002_8_5A_3_a1,
     author = {Mori, Andrea},
     title = {Matematica e filatelia},
     journal = {Bollettino della Unione matematica italiana},
     pages = {407--453},
     year = {2002},
     volume = {Ser. 8, 5A},
     number = {3},
     zbl = {1194.00013},
     mrnumber = {MR1947792},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2002_8_5A_3_a1/}
}