@Misc{ BarHab22, author = { Barilari, Davide and Habermann, Karen }, title = { Intrinsic sub-Laplacian for hypersurface in a contact sub-Riemannian manifold }, journal = { Nonlinear Differential Equations and Applications NoDEA }, year = { 2022 }, pages = { 24 }, URL = { http://cvgmt.sns.it/paper/5720/ }, note = { cvgmt preprint} }