@article{10_4153_CMB_1978_025_4,
     author = {Cho, S. J.},
     title = {Strong {Extensions} vs. {Weak} {Extensions} of {C} {*-Algebras}},
     journal = {Canadian mathematical bulletin},
     pages = {143--147},
     year = {1978},
     volume = {21},
     number = {2},
     doi = {10.4153/CMB-1978-025-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-025-4/}
}