%0 Journal Article %A Bunoiu, R. %A Saint Jean Paulin, Jeannine %T Linear flow in porous media with double periodicity. %J Portugaliae mathematica %D 1999 %P 221-238 %V 56 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1999__56_2_48402/ %G en %F PORMA_1999__56_2_48402