Ruyun Ma, Ling Xu. Existence of positive solutions of a nonlinear fourth-order boundary value problem. Appl. Math. Lett., 23(5):537-543, 2010. [doi]
@article{MaX10-0, title = {Existence of positive solutions of a nonlinear fourth-order boundary value problem}, author = {Ruyun Ma and Ling Xu}, year = {2010}, doi = {10.1016/j.aml.2010.01.007}, url = {http://dx.doi.org/10.1016/j.aml.2010.01.007}, researchr = {https://researchr.org/publication/MaX10-0}, cites = {0}, citedby = {0}, journal = {Appl. Math. Lett.}, volume = {23}, number = {5}, pages = {537-543}, }