@article{JEMS_2011_13_6_a3,
     author = {Nicola Fusco and Aldo Pratelli},
     title = {On a conjecture by {Auerbach}},
     journal = {Journal of the European Mathematical Society},
     pages = {1633--1676},
     publisher = {mathdoc},
     volume = {13},
     number = {6},
     year = {2011},
     doi = {10.4171/jems/290},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/290/}
}