@article{10_4153_CJM_1969_142_6,
     author = {Ching, Wai-Mee},
     title = {Non-Isomorphic {Non-Hyperfinite} {Factors}},
     journal = {Canadian journal of mathematics},
     pages = {1293--1308},
     year = {1969},
     volume = {21},
     number = {1},
     doi = {10.4153/CJM-1969-142-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-142-6/}
}