@article{10_4153_CMB_2013_023_x,
     author = {Huang, Zhaoyong},
     title = {Duality of {Preenvelopes} and {Pure} {InjectiveModules}},
     journal = {Canadian mathematical bulletin},
     pages = {318--325},
     year = {2014},
     volume = {57},
     number = {2},
     doi = {10.4153/CMB-2013-023-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2013-023-x/}
}