Stability of planar nonlinear switched systems. - Ugo V. Boscain; Gregoire Charlot (CDC, 2003)

Stability of Nonlinear Switched Systems on the Plane. - Ugo V. Boscain; Gregoire Charlot; Mario Sigalotti (CDC/ECC, 2005)

Two-dimensional almost-Riemannian structures with tangency points. - Andrei A. Agrachev; Ugo V. Boscain; Gregoire Charlot; Roberta Ghezzi; Mario Sigalotti (CDC, 2009)

Minimization of length and curvature on planar curves. - Ugo V. Boscain; Gregoire Charlot; Francesco Rossi (CDC, 2009)