@article{10_4171_ifb_321,
     author = {C.H. Arthur Cheng and Daniel Coutand and Steve Shkoller},
     title = {Global existence and decay for solutions of the {Hele{\textendash}Shaw} flow with injection},
     journal = {Interfaces and free boundaries},
     pages = {297--338},
     year = {2014},
     volume = {16},
     number = {3},
     doi = {10.4171/ifb/321},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/321/}
}