%0 Journal Article %A Lasserre, Jean B. %T Pell’s equation, sum-of-squares and equilibrium measures on a compact set %J Comptes Rendus. Mathématique %D 2023 %P 935-952 %V 361 %N G5 %I Académie des sciences, Paris %U http://geodesic.mathdoc.fr/articles/10.5802/crmath.465/ %R 10.5802/crmath.465 %G en %F CRMATH_2023__361_G5_935_0