@article{10_4153_CJM_2005_016_5,
     author = {Lin, Huaxin},
     title = {Extensions by {Simple} {C*-Algebras:} {Quasidiagonal} {Extensions}},
     journal = {Canadian journal of mathematics},
     pages = {351--399},
     year = {2005},
     volume = {57},
     number = {2},
     doi = {10.4153/CJM-2005-016-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-016-5/}
}