TY - JOUR AU - Clapp, Mónica AU - Ding, Yanheng AU - Hernández-Linares, Sergio TI - Strongly indefinite functionals with perturbed symmetries and multiple solutions of nonsymmetric elliptic systems JO - Electronic Journal of Differential Equations PY - 2004 VL - 2004 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a193/ LA - en ID - EJDE_2004__2004__a193 ER -