TY - JOUR AU - Jaak Peetre TI - Two observations on a theorem by Coifman JO - Studia Mathematica PY - 1979 SP - 191 EP - 194 VL - 64 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-64-3-191-194/ DO - 10.4064/sm-64-3-191-194 LA - en ID - 10_4064_sm_64_3_191_194 ER -