TY - JOUR AU - Bensid, Sabri AU - Bouguima, Sidi Mohammed TI - Existence and multiplicity of solutions to elliptic problems with discontinuities and free boundary conditions JO - Electronic Journal of Differential Equations PY - 2010 VL - 2010 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a163/ LA - en ID - EJDE_2010__2010__a163 ER -