@article{JCA_2006_13_1_JCA_2006_13_1_a8,
     author = {L. Aharouch and Y. Akdim},
     title = {Strongly {Nonlinear} {Elliptic} {Unilateral} {Problems} without {Sign} {Condition} and {L\protect\textsuperscript{1}} {Data}},
     journal = {Journal of convex analysis},
     pages = {135--149},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/JCA_2006_13_1_JCA_2006_13_1_a8/}
}