@article{COCV_2001__6__119_0,
     author = {Pasillas-L\'epine, William and Respondek, Witold},
     title = {On the geometry of {Goursat} structures},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {119--181},
     year = {2001},
     publisher = {EDP Sciences},
     volume = {6},
     mrnumber = {1816071},
     zbl = {0966.58002},
     language = {en},
     url = {https://www.numdam.org/item/COCV_2001__6__119_0/}
}