@article{10_4153_CMB_1990_043_8,
     author = {Mingo, James A.},
     title = {On the {Non-Isomorphism} of and},
     journal = {Canadian mathematical bulletin},
     pages = {264--267},
     year = {1990},
     volume = {33},
     number = {3},
     doi = {10.4153/CMB-1990-043-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-043-8/}
}