Eigenvalues of a class of regular fourth-order Sturm-Liouville problems. - Jianqing Suo; Wanyi Wang (Appl. Math. Comput., 2012)

Dependence of eigenvalues of a class of fourth-order Sturm-Liouville problems on the boundary. - Suqin Ge; Wanyi Wang; Jianqing Suo (Appl. Math. Comput., 2013)