@article{AFST_2001_6_10_3_405_0,
     author = {B. Bonnard and E. Tr\'elat},
     title = {On the role of abnormal minimizers in sub-riemannian geometry},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {405--491},
     year = {2001},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {Ser. 6, 10},
     number = {3},
     doi = {10.5802/afst.998},
     mrnumber = {1923686},
     zbl = {1017.53034},
     language = {en},
     url = {https://afst.centre-mersenne.org/articles/10.5802/afst.998/}
}