%0 Journal Article %A Ben Schweizer %T Instability of gravity wetting fronts for Richards equations with hysteresis %J Interfaces and free boundaries %D 2012 %P 37-64 %V 14 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/273/ %R 10.4171/ifb/273 %F 10_4171_ifb_273