@article{EJDE_2004__2004__a193,
     author = {Clapp, M\'onica and Ding, Yanheng and Hern\'andez-Linares, Sergio},
     title = {Strongly indefinite functionals with perturbed symmetries and multiple solutions of nonsymmetric elliptic systems},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2004},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a193/}
}