%0 Journal Article %A Rupert L. Frank %A Bernard Helffer %T On Courant and Pleijel theorems for sub-Riemannian Laplacians %J Journal de l’École polytechnique — Mathématiques %D 2025 %P 1083-1160 %V 12 %I École polytechnique %U https://jep.centre-mersenne.org/articles/10.5802/jep.307/ %R 10.5802/jep.307 %G en %F JEP_2025__12__1083_0