@article{EJDE_2011__2011__a20,
     author = {Song, Wenjing and Gao, Wenjie},
     title = {Positive solutions for a second-order system with integral boundary conditions},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2011},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a20/}
}