TY - JOUR AU - Shen, Ying AU - Zhang, Jihui TI - Multiplicity of positive solutions for a Navier boundary-value problem involving the $p$-biharmonic with critical exponent JO - Electronic Journal of Differential Equations PY - 2011 VL - 2011 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a62/ LA - en ID - EJDE_2011__2011__a62 ER -