@article{RSM_2006__64_1_55873,
     author = {Tr\'elat, E.},
     title = {Singular trajectories and subanalyticity in optimal control and {Hamilton-Jacobi} theory.},
     journal = {Rendiconti del seminario matematico},
     pages = {97--109},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {2006},
     zbl = {1168.49308},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_2006__64_1_55873/}
}