%0 Journal Article %A Chao Zhang %T On global cohomological width of artin algebras %J Colloquium Mathematicum %D 2017 %P 31-46 %V 146 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm6714-10-2015/ %R 10.4064/cm6714-10-2015 %G en %F 10_4064_cm6714_10_2015