%0 Journal Article %A Huang, Zhaoyong %T Duality of Preenvelopes and Pure InjectiveModules %J Canadian mathematical bulletin %D 2014 %P 318-325 %V 57 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2013-023-x/ %R 10.4153/CMB-2013-023-x %F 10_4153_CMB_2013_023_x