TY - JOUR AU - Chao Zhang TI - On global cohomological width of artin algebras JO - Colloquium Mathematicum PY - 2017 SP - 31 EP - 46 VL - 146 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm6714-10-2015/ DO - 10.4064/cm6714-10-2015 LA - en ID - 10_4064_cm6714_10_2015 ER -