A. Braides, M. S. Gelli, M. Sigalotti:
The passage from non-convex discrete systems to variational problems in Sobolev spaces: the one-dimensional case
Proc. Steklov. Math. Inst. Vol. 236, p. 395-414, 2002
D. Barilari, U. Boscain, E. Le Donne, M. Sigalotti:
Sub-Finsler structures from the time-optimal control viewpoint for some nilpotent distributions
Journal of Dynamical and Control Systems 2016
(editors), D. Barilari, U. Boscain, M. Sigalotti:
Dynamics, geometry and analysis on sub-Riemannian manifolds, vol. I and vol. II
EMS Series of Lectures in Mathematics (Lecture Notes) 2016
D. Barilari, Y. Chitour, F. Jean, D. Prandi, M. Sigalotti:
On the regularity of abnormal minimizers for rank 2 sub-Riemannian structures
(Preprint) 2018