@article{BUMI_2007_8_10B_2_a4,
     author = {Vitanza, Carmela and Zamboni, Pietro},
     title = {A {Variational} {Inequality} for a {Degenerate} {Elliptic} {Operator} {Under} {Minimal} {Assumptions} on the {Coefficients}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {341--356},
     publisher = {mathdoc},
     volume = {Ser. 8, 10B},
     number = {2},
     year = {2007},
     zbl = {1178.49012},
     mrnumber = {2339445},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2007_8_10B_2_a4/}
}