@article{TM2_2022_XXV_1_a2,
     author = {Silvano Rossetto and Giovanni Vincenzi},
     title = {Two hidden properties of hex numbers},
     journal = {The Teaching of Mathematics},
     pages = {21 },
     publisher = {mathdoc},
     volume = {XXV},
     number = {1},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2022_XXV_1_a2/}
}