@article{COCV_2011__17_1_222_0,
     author = {Cupini, Giovanni and Marcelli, Cristina},
     title = {Monotonicity properties of minimizers and relaxation for autonomous variational problems},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {222--242},
     publisher = {EDP-Sciences},
     volume = {17},
     number = {1},
     year = {2011},
     doi = {10.1051/cocv/2010001},
     mrnumber = {2775194},
     zbl = {1213.49028},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2010001/}
}