@article{10_4153_CMB_1991_016_6,
     author = {Olsen, James H.},
     title = {Two {Consequences} of {Brunel's} {Theorem}},
     journal = {Canadian mathematical bulletin},
     pages = {105--108},
     year = {1991},
     volume = {34},
     number = {1},
     doi = {10.4153/CMB-1991-016-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-016-6/}
}