1. The method of lower and upper solutions for a bending of an elastic beam equation;Bai;J. Math. Anal. Appl.,2000
2. Positive solutions of some nonlocal fourth-order boundary value problem;Bai;Appl. Math. Comput.,2010
3. Multiplicity of solutions of a two point boundary value problem for a fourth-order equation;Cabada;Appl. Math. Comput.,2013
4. Existence of multiple positive solutions for fourth-order boundary value problems in Banach spaces;Cui;Bound. Value Probl.,2012
5. Existence and uniqueness theorems for fourth-order singular boundary value problems;Cui;Comput. Math. Appl.,2009