@article{10_4153_CMB_1988_055_8,
     author = {Levy, Ronnie},
     title = {Semi-F-Spaces},
     journal = {Canadian mathematical bulletin},
     pages = {385--393},
     year = {1988},
     volume = {31},
     number = {4},
     doi = {10.4153/CMB-1988-055-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-055-8/}
}