@article{COCV_2005__11_1_122_0,
     author = {Croce, Gisella},
     title = {A differential inclusion : the case of an isotropic set},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {122--138},
     publisher = {EDP-Sciences},
     volume = {11},
     number = {1},
     year = {2005},
     doi = {10.1051/cocv:2004035},
     mrnumber = {2110617},
     zbl = {1092.34004},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2004035/}
}