@article{10_4171_ifb_273,
     author = {Ben Schweizer},
     title = {Instability of gravity wetting fronts for {Richards} equations with hysteresis},
     journal = {Interfaces and free boundaries},
     pages = {37--64},
     year = {2012},
     volume = {14},
     number = {1},
     doi = {10.4171/ifb/273},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/273/}
}