%0 Journal Article %T Existence of Three Solutions for $p$-biharmonic Equation %A Lin Li %J Journal of Nonlinear Analysis and Application %D 2011 %I International Scientific Publications and Consulting Services (ISPACS) %R 10.5899/2011/jnaa-00073 %X In this paper, the existence of at least three solutions to a Navier boundary problem involving the $p$-biharmonic equation, will be established. The technical approach is mainly based on the three critical points theorem of B. Ricceri. %K p-biharmonic %K Navier condition %K Multiple solutions %K Three critical points theore %U http://www.ispacs.com/journals/jnaa/2011/jnaa-00073/article.pdf