@article{JCA_1999_6_1_JCA_1999_6_1_a11,
     author = {L. Boccardo and G. R. Cirmi},
     title = {Existence and {Uniqueness} of {Solution} of {Unilateral} {Problems} with {L\protect\textsuperscript{1}} {Data}},
     journal = {Journal of convex analysis},
     pages = {195--206},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/JCA_1999_6_1_JCA_1999_6_1_a11/}
}