TY - JOUR AU - Jalal Shatah TI - Regularity results for semilinear and geometric wave equations JO - Banach Center Publications PY - 1997 SP - 69 EP - 90 VL - 41 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/-41-1-69-90/ DO - 10.4064/-41-1-69-90 LA - en ID - 10_4064__41_1_69_90 ER -