@article{02033609,
title = {Positive solutions of boundary value problems for },
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2003},
year = {2003},
zbl = {1042.34049},
language = {en},
url = {http://dml.mathdoc.fr/item/02033609}
}
Liu, Yuji; Ge, Weigao. Positive solutions of boundary value problems for . Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2003 (2003) . http://gdmltest.u-ga.fr/item/02033609/