TY - JOUR AU - D. Fage TI - Approximation of Time-Dependent Free Boundaries JO - Numerische Mathematik PY - 1982 SP - 179 EP - 200 VL - 40 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1982__40_132824/ ID - NUMA_1982__40_132824 ER -