@article{CRMATH_2018__356_2_172_0,
     author = {Albano, Paolo and Cannarsa, Piermarco and Scarinci, Teresa},
     title = {Partial regularity for solutions to subelliptic eikonal equations},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {172--176},
     publisher = {Elsevier},
     volume = {356},
     number = {2},
     year = {2018},
     doi = {10.1016/j.crma.2018.01.003},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2018.01.003/}
}