%0 Journal Article %A Carrillo Menéndez, José %A Challal , S. %A Lyaghfouri, A. %T A free boundary problem for a flow of fresh and salt groundwater with nonlinear Darcy’s law. %D 2002 %@ 1343-4373 %U https://hdl.handle.net/20.500.14352/57409 %X We consider a free boundary problem related to a stationary flow of fresh and salt water in a coastal aquifer. The flow is governed by a nonlinear Darcy’s law.Existence and uniqueness of a monotone solution are proved. %~