@article{JCA_2004_11_2_JCA_2004_11_2_a9,
     author = {F. H. Clarke and C. Nour},
     title = {The {Hamilton-Jacobi} {Equation} of {Minimal} {Time} {Control}},
     journal = {Journal of convex analysis},
     pages = {413--436},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/JCA_2004_11_2_JCA_2004_11_2_a9/}
}