@article{10_4153_CJM_1976_068_9,
     author = {Blair, Robert L.},
     title = {Spaces in {Which} {Special} {Sets} are {z-Embedded}},
     journal = {Canadian journal of mathematics},
     pages = {673--690},
     year = {1976},
     volume = {28},
     number = {4},
     doi = {10.4153/CJM-1976-068-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-068-9/}
}