@article{01525789, title = {Nonlinear eigenvalue problems with semipositone structure.}, journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]}, volume = {2000}, year = {2000}, pages = {33-49}, zbl = {0959.35045}, language = {en}, url = {http://dml.mathdoc.fr/item/01525789} }
Castro, Alfonso; Maya, C.; Shivaji, R. Nonlinear eigenvalue problems with semipositone structure.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2000 (2000) pp. 33-49. http://gdmltest.u-ga.fr/item/01525789/