@article{CRMATH_2023__361_G5_889_0, author = {Bacher, Roland}, title = {Euclid meets {Popeye:} {The} {Euclidean} {Algorithm} for $2\times 2$ {Matrices}}, journal = {Comptes Rendus. Math\'ematique}, pages = {889--895}, publisher = {Acad\'emie des sciences, Paris}, volume = {361}, number = {G5}, year = {2023}, doi = {10.5802/crmath.451}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.5802/crmath.451/} }