@article{COCV_2011__17_4_1133_0,
     author = {Mariconda, Carlo and Treu, Giulia},
     title = {A {Haar-Rado} type theorem for minimizers in {Sobolev} spaces},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {1133--1143},
     publisher = {EDP-Sciences},
     volume = {17},
     number = {4},
     year = {2011},
     doi = {10.1051/cocv/2010038},
     mrnumber = {2859868},
     zbl = {1239.49031},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2010038/}
}