@article{CRMATH_2023__361_G9_1483_0,
     author = {Bonin, Nathan and Ovsienko, Valentin},
     title = {A shadow {Markov} equation},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1483--1489},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {361},
     number = {G9},
     year = {2023},
     doi = {10.5802/crmath.496},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5802/crmath.496/}
}