@article{05888153, title = {Positive solutions for a class of fourth-order boundary value problems in Banach spaces.}, journal = {Abstract and Applied Analysis}, volume = {2011}, year = {2011}, doi = {10.1155/2011/831730}, zbl = {1217.34035}, language = {en}, url = {http://dml.mathdoc.fr/item/05888153} }
Cai, Jingjing; Liu, Guilong. Positive solutions for a class of fourth-order boundary value problems in Banach spaces.. Abstract and Applied Analysis, Tome 2011 (2011) . doi : 10.1155/2011/831730. http://gdmltest.u-ga.fr/item/05888153/