@article{EJDE_2003__2003__a184,
     author = {Challal,  Samia and Lyaghfouri,  Abdeslem},
     title = {On the behavior of the interface separating fresh and salt groundwater in a heterogeneous coastal aquifer},
     journal = {Electronic journal of differential equations},
     year = {2003},
     volume = {2003},
     zbl = {1037.35101},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a184/}
}