@article{BUMI_2007_8_10A_1_a0,
     author = {Villaggio, Piero },
     title = {Problemi {Variazionali} {Plebei}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {1--23},
     publisher = {mathdoc},
     volume = {Ser. 8, 10A},
     number = {1},
     year = {2007},
     zbl = {0394.73093},
     mrnumber = {464828},
     language = {it},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2007_8_10A_1_a0/}
}