TY - JOUR AU - Honghui Yin AU - Mei Xu TI - Existence of three solutions for a Navier boundary value problem involving the $p(x)$-biharmonic operator JO - Annales Polonici Mathematici PY - 2013 SP - 47 EP - 58 VL - 109 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap109-1-4/ DO - 10.4064/ap109-1-4 LA - en ID - 10_4064_ap109_1_4 ER -