@article{05134608, title = {Multiple positive solutions of Sturm-Liouville equations with singularities.}, journal = {Discrete Dynamics in Nature and Society}, volume = {2006}, year = {2006}, doi = {10.1155/DDNS/2006/32018}, zbl = {1123.34019}, language = {en}, url = {http://dml.mathdoc.fr/item/05134608} }
Wang, Zenggui; Liu, Lishan; Wu, Yonghong. Multiple positive solutions of Sturm-Liouville equations with singularities.. Discrete Dynamics in Nature and Society, Tome 2006 (2006) . doi : 10.1155/DDNS/2006/32018. http://gdmltest.u-ga.fr/item/05134608/