@article{05601848,
title = {Singular trajectories and subanalyticity in optimal control and Hamilton-Jacobi theory.},
journal = {Rendiconti del Seminario Matematico},
volume = {64},
year = {2006},
pages = {97-109},
zbl = {1168.49308},
language = {en},
url = {http://dml.mathdoc.fr/item/05601848}
}
Trélat, E. Singular trajectories and subanalyticity in optimal control and Hamilton-Jacobi theory.. Rendiconti del Seminario Matematico, Tome 64 (2006) pp. 97-109. http://gdmltest.u-ga.fr/item/05601848/