@article{EJDE_2011__2011__a22,
     author = {Yang, Aijun and Sun, Bo and Ge, Weigao},
     title = {Existence of positive solutions for self-adjoint boundary-value problems with integral boundary conditions at resonance},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2011},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a22/}
}