@article{EJDE_2005__2005__a209,
     author = {Dinu,  Teodora-Liliana},
     title = {Subcritical perturbations of resonant linear problems with sign-changing potential},
     journal = {Electronic journal of differential equations},
     year = {2005},
     volume = {2005},
     zbl = {1210.35104},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a209/}
}