@article{PORMA_1961__20_1_114847,
     author = {Saalfrank, C.W.},
     title = {Neighborhood retraction generalized for compact {Hausdorff} spaces},
     journal = {Portugaliae mathematica},
     pages = {11--16},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1961},
     mrnumber = {0126830},
     zbl = {0099.17405},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1961__20_1_114847/}
}