@article{AIHPC_2019__36_3_837_0,
     author = {Badreddine, Z.},
     title = {Mass transportation on {sub-Riemannian} structures of rank two in dimension four},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {837--860},
     publisher = {Elsevier},
     volume = {36},
     number = {3},
     year = {2019},
     doi = {10.1016/j.anihpc.2018.10.003},
     zbl = {1429.49046},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2018.10.003/}
}