%0 Journal Article %A Bereanu, Cristian %A Mawhin, Jean %T Existence and multiplicity results for nonlinear second order difference equations with Dirichlet boundary conditions %J Mathematica Bohemica %D 2006 %P 145-160 %V 131 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2006.134087/ %R 10.21136/MB.2006.134087 %G en %F 10_21136_MB_2006_134087