@article{10_4153_CJM_1979_086_3,
     author = {Douwen, Eric K. van},
     title = {A {Basically} {Disconnected} {Normal} {Space} {\ensuremath{\Phi}} {With} {|\ensuremath{\beta}\ensuremath{\Phi}} {\textendash} {\ensuremath{\Phi}|} = 1},
     journal = {Canadian journal of mathematics},
     pages = {911--914},
     year = {1979},
     volume = {31},
     number = {5},
     doi = {10.4153/CJM-1979-086-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-086-3/}
}