%0 Journal Article %A Zuluaga, Mario %T On a nonlinear elliptic system: resonance and bifurcation cases %J Commentationes Mathematicae Universitatis Carolinae %D 1999 %P 701-711 %V 40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1999__40_4_a7/ %G en %F CMUC_1999__40_4_a7