@article{JEMS_2013_15_1_a6,
     author = {Peter Constantin and Diego C\'ordoba and Francisco Gancedo and Robert M. Strain},
     title = {On the global existence for the {Muskat} problem},
     journal = {Journal of the European Mathematical Society},
     pages = {201--227},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2013},
     doi = {10.4171/jems/360},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/360/}
}