@article{Chi-Jea-Mas-2013,
    author={Francesca Chittaro and Frédéric Jean and Paolo Mason },
    title={On the inverse optimal control problems of the human 
           locomotion: stability and robustness of the minimizers },
    doi={10.1007/s10958-013-1579-z },
    journal={Journal of Mathematical Sciences },
    year={2013 },
    volume={195 },
    pages={269--287},
}