@article{COCV_2016__22_3_786_0,
     author = {Chittaro, Francesca and Stefani, Gianna},
     title = {Minimum-time strong optimality of a singular arc: {The} multi-input non involutive case},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {786--810},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {3},
     year = {2016},
     doi = {10.1051/cocv/2015026},
     zbl = {1344.49034},
     mrnumber = {3527944},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2015026/}
}