@article{10_4064_fm_90_3_285_300,
     author = {Robert Blair},
     title = {Filter characterizations of z-, {C*-,} and {C-embeddings}},
     journal = {Fundamenta Mathematicae},
     pages = {285--300},
     publisher = {mathdoc},
     volume = {90},
     number = {3},
     year = {1975},
     doi = {10.4064/fm-90-3-285-300},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-90-3-285-300/}
}