@article{05028356, title = {Estimates for the Green function and existence of positive solutions for higher-order elliptic equations.}, journal = {Abstract and Applied Analysis}, volume = {2006}, year = {2006}, doi = {10.1155/AAA/2006/89491}, zbl = {1147.35303}, language = {en}, url = {http://dml.mathdoc.fr/item/05028356} }
Bachar, Imed. Estimates for the Green function and existence of positive solutions for higher-order elliptic equations.. Abstract and Applied Analysis, Tome 2006 (2006) . doi : 10.1155/AAA/2006/89491. http://gdmltest.u-ga.fr/item/05028356/