@article{EJDE_2005__2005__a5,
     author = {Sun,  Yongping},
     title = {Eigenvalues and symmetric positive solutions for a three-point boundary-value problem},
     journal = {Electronic journal of differential equations},
     year = {2005},
     volume = {2005},
     zbl = {1093.34008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a5/}
}