TY - JOUR AU - Jifeng Chu AU - Daqing Jiang AU - Donal O'Regan AU - R. P. Agarwal TI - Multiplicity of positive solutions to second order differential equations with Neumann boundary conditions JO - Applicationes Mathematicae PY - 2005 SP - 293 EP - 303 VL - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am32-3-4/ DO - 10.4064/am32-3-4 LA - en ID - 10_4064_am32_3_4 ER -