TY - JOUR AU - Pierluigi Colli AU - Philippe Laurençot TI - A phase-field approximation of the Willmore flow with volume constraint JO - Interfaces and free boundaries PY - 2011 SP - 341 EP - 351 VL - 13 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/261/ DO - 10.4171/ifb/261 ID - 10_4171_ifb_261 ER -