@article{EJDE_2011__2011__a1,
     author = {Jiang,  Weihua and Wang,  Bin},
     title = {Positive solutions for second-order multi-point boundary-value problems at resonance in {Banach} spaces},
     journal = {Electronic journal of differential equations},
     year = {2011},
     volume = {2011},
     zbl = {1211.34027},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a1/}
}