TY - JOUR AU - Il'yasov, Yavdat AU - Runst, Thomas TI - Positive solutions for indefinite inhomogeneous Neumann elliptic problems JO - Electronic Journal of Differential Equations PY - 2003 VL - 2003 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a114/ LA - en ID - EJDE_2003__2003__a114 ER -