%0 Journal Article %A Challal, Samia %A Lyaghfouri, Abdeslem %T On the behavior of the interface separating fresh and salt groundwater in a heterogeneous coastal aquifer %J Electronic Journal of Differential Equations %D 2003 %V 2003 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a184/ %G en %F EJDE_2003__2003__a184