@article{RUMI_2019_1_4_2_a8,
     author = {Sorrentino, Alfonso},
     title = {I matematici giocano ... a biliardo!},
     journal = {Matematica, cultura e societ\`a : rivista dell'Unione Matematica Italiana},
     pages = {131--144},
     publisher = {mathdoc},
     volume = {Ser. 1, 4},
     number = {2},
     year = {2019},
     zbl = {1379.37104},
     mrnumber = {3965686},
     language = {it},
     url = {https://geodesic-test.mathdoc.fr/item/RUMI_2019_1_4_2_a8/}
}