Bossio T, Rizzi L, Rossi T. Tubes in sub-Riemannian geometry and a Weyl’s invariance result for curves in the Heisenberg groups. Annali Scienze [Internet]. 2026Apr.7 [cited 2026Apr.16];:25. Available from: https://journals.sns.it/index.php/annaliscienze/article/view/7315