1. Compactness for sub-Riemannian length-minimizers and subanalyticity;Agrachev, Andrei;Rend. Sem. Mat. Univ. e Politec. Torino,1998
2. Any sub-Riemannian metric has points of smoothness;Agrachev, Andrei;Dokl. Akad. Nauk,2009
3. Some open problems;Agrachev, Andrei;Geometric control theory and sub-Riemannian geometry,2014
4. [4] Agrachev, Andrei; Barilari, Davide; Boscain, Ugo A comprehensive introduction to sub-Riemannian geometry. From the Hamiltonian viewpoint, Cambridge Studies in Advanced Math., 181, Cambridge University Press, Cambridge, 2020
5. On the subanalyticity of Carnot-Caratheodory distances;Agrachev, Andrei;Ann. Inst. H. Poincaré C Anal. Non Linéaire,2001