TY - JOUR AU - Ben Schweizer TI - Instability of gravity wetting fronts for Richards equations with hysteresis JO - Interfaces and free boundaries PY - 2012 SP - 37 EP - 64 VL - 14 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/273/ DO - 10.4171/ifb/273 ID - 10_4171_ifb_273 ER -