TY - JOUR AU - Felipe Zo TI - A note on approximation of the identity JO - Studia Mathematica PY - 1976 SP - 111 EP - 122 VL - 55 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-55-2-111-122/ DO - 10.4064/sm-55-2-111-122 LA - en ID - 10_4064_sm_55_2_111_122 ER -