TY - JOUR AU - Challal, Samia AU - Lyaghfouri, Abdeslem TI - On the behavior of the interface separating fresh and salt groundwater in a heterogeneous coastal aquifer JO - Electronic journal of differential equations PY - 2003 VL - 2003 UR - http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a184/ LA - en ID - EJDE_2003__2003__a184 ER -