%0 Journal Article %A A. Maugeri %A F. Raciti %T On Existence Theorems for Monotone and Nonmonotone Variational Inequalities %J Journal of convex analysis %D 2009 %P 899-911 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2009_16_3_JCA_2009_16_3_a20/ %F JCA_2009_16_3_JCA_2009_16_3_a20