@article{CRMATH_2023__361_G5_935_0,
     author = {Lasserre, Jean B.},
     title = {Pell{\textquoteright}s equation, sum-of-squares and equilibrium measures on a compact set},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {935--952},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {361},
     number = {G5},
     year = {2023},
     doi = {10.5802/crmath.465},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5802/crmath.465/}
}