@article{EJDE_2012__2012__a32,
     author = {Jia, Mei and Wang, Pingyou},
     title = {Multiple positive solutions for integro-differential equations with integral boundary conditions and sign changing nonlinearities},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2012},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a32/}
}