TY - JOUR AU - Hernández M., Eduardo TI - Existence of solutions to a second order partial differential equation with nonlocal conditions JO - Electronic Journal of Differential Equations PY - 2003 VL - 2003 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a198/ LA - en ID - EJDE_2003__2003__a198 ER -