@article{10_4064_fm_90_3_199_210,
     author = {Steve Ferry},
     title = {When \ensuremath{\varepsilon}-boundaries are manifolds},
     journal = {Fundamenta Mathematicae},
     pages = {199--210},
     publisher = {mathdoc},
     volume = {90},
     number = {3},
     year = {1975},
     doi = {10.4064/fm-90-3-199-210},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-90-3-199-210/}
}