TY - JOUR AU - Q-Heung Choi TI - The multiplicity of solutions and geometry of a nonlinear elliptic equation JO - Studia Mathematica PY - 1996 SP - 259 EP - 270 VL - 120 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-120-3-259-270/ DO - 10.4064/sm-120-3-259-270 LA - en ID - 10_4064_sm_120_3_259_270 ER -