%0 Journal Article %A Honghui Yin %A Mei Xu %T Existence of three solutions for a Navier boundary value problem involving the $p(x)$-biharmonic operator %J Annales Polonici Mathematici %D 2013 %P 47-58 %V 109 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap109-1-4/ %R 10.4064/ap109-1-4 %G en %F 10_4064_ap109_1_4