@article{JEMS_2017_19_5_a8,
     author = {Enrico Le Donne and S\'everine Rigot},
     title = {Besicovitch covering property  for homogeneous distances on the {Heisenberg} groups},
     journal = {Journal of the European Mathematical Society},
     pages = {1589--1617},
     publisher = {mathdoc},
     volume = {19},
     number = {5},
     year = {2017},
     doi = {10.4171/jems/701},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/701/}
}