%0 Journal Article %A Q-Heung Choi %T The multiplicity of solutions and geometry of a nonlinear elliptic equation %J Studia Mathematica %D 1996 %P 259-270 %V 120 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-120-3-259-270/ %R 10.4064/sm-120-3-259-270 %G en %F 10_4064_sm_120_3_259_270