@article{AFM_2017_42_1_a19,
     author = {Nicola Arcozzi and Fausto Ferrari and Francescopaolo Montefalcone},
     title = {Regularity of the distance function to smooth hypersurfaces in some two-step {Carnot} groups},
     journal = {Annales Fennici Mathematici},
     pages = {339--356},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2017},
     doi = {10.5186/aasfm.2017.4222},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2017.4222/}
}