TY - JOUR AU - Abdellah Youssfi TI - Regularity properties of singular integral operators JO - Studia Mathematica PY - 1996 SP - 199 EP - 217 VL - 119 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-119-3-199-217/ DO - 10.4064/sm-119-3-199-217 LA - en ID - 10_4064_sm_119_3_199_217 ER -