id: 50304359
dt: j
an: 50304359
au: Fan, Wenxi; Hao, Xinan; Liu, Lishan; Wu, Yonghong
ti: Nontrivial solutions of singular fourth-order Sturm-Liouville boundary
    value problems with a sign-changing nonlinear term
so: Applied Mathematics and Computation 217, No. 15, 6700-6708 (2011).
py: 2011
pu: 
la: EN
cc: 
ut: 
ci: 
li: doi:10.1016/j.amc.2011.01.071