Patricia J. Y. Wong. Multiple fixed-sign solutions for a system of higher order three-point boundary-value problems with deviating arguments. Computers & Mathematics with Applications, 55(3):516-534, 2008. [doi]
@article{Wong08-2, title = {Multiple fixed-sign solutions for a system of higher order three-point boundary-value problems with deviating arguments}, author = {Patricia J. Y. Wong}, year = {2008}, doi = {10.1016/j.camwa.2007.04.023}, url = {http://dx.doi.org/10.1016/j.camwa.2007.04.023}, researchr = {https://researchr.org/publication/Wong08-2}, cites = {0}, citedby = {0}, journal = {Computers & Mathematics with Applications}, volume = {55}, number = {3}, pages = {516-534}, }