@article{AIF_2014__64_2_429_0,
     author = {Marchi, Marco},
     title = {Regularity of sets with constant intrinsic normal in a class of {Carnot} groups},
     journal = {Annales de l'Institut Fourier},
     pages = {429--455},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {64},
     number = {2},
     year = {2014},
     doi = {10.5802/aif.2853},
     zbl = {06387280},
     mrnumber = {3330910},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.2853/}
}