%0 Journal Article %A Biroli, Marco %T Existence of regular solutions for nonlinear Signorini's problem %J Portugaliae mathematica %D 1982 %P 333-338 %V 41 %N 1-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1982__41_1-4_115505/ %G en %F PORMA_1982__41_1-4_115505