@article{RUMI_2023_1_8_3_a2,
     author = {Toffalori, Carlo},
     title = {Citt\`a invisibili, citt\`a matematiche},
     journal = {Matematica, cultura e societ\`a},
     pages = {229--238},
     publisher = {mathdoc},
     volume = {Ser. 1, 8},
     number = {3},
     year = {2023},
     zbl = {1320.60016},
     mrnumber = {3551948},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/RUMI_2023_1_8_3_a2/}
}