TY  - JOUR
AU  - Cannarsa, P.
AU  - Rifford, L.
TI  - Semiconcavity results for optimal control problems admitting no singular minimizing controls
JO  - Annales de l'I.H.P. Analyse non linéaire
PY  - 2008
SP  - 773
EP  - 802
VL  - 25
IS  - 4
PB  - Elsevier
UR  - http://archive.numdam.org/articles/10.1016/j.anihpc.2007.07.005/
DO  - 10.1016/j.anihpc.2007.07.005
LA  - en
ID  - AIHPC_2008__25_4_773_0
ER  -