@article{RSM_2003__61_1_126550, author = {Badii, Maurizio}, title = {Existence and uniqueness of periodic solutions for a model of contaminant flow in porous medium.}, journal = {Rendiconti del seminario matematico}, pages = {1--11}, publisher = {mathdoc}, volume = {61}, number = {1}, year = {2003}, zbl = {1098.35088}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RSM_2003__61_1_126550/} }