TY - JOUR AU - A. Sahami AU - A. Pourabbas TI - Approximate biprojectivity and $\phi $-biflatness of certain Banach algebras JO - Colloquium Mathematicum PY - 2016 SP - 273 EP - 284 VL - 145 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm6459-11-2015/ DO - 10.4064/cm6459-11-2015 LA - en ID - 10_4064_cm6459_11_2015 ER -