@article{EJDE_2000__2000__a131,
     author = {Ben-Naoum,  A.K. and Fabry,  C. and Smets,  D.},
     title = {Resonance with respect to the {Fu\v{c}{\'\i}k} spectrum},
     journal = {Electronic journal of differential equations},
     year = {2000},
     volume = {2000},
     zbl = {0977.70015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a131/}
}