@article{MZ_1974__140_172126,
     author = {Timothy Porter},
     title = {Stability {Results} for {Topological} {Spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {1--22},
     publisher = {mathdoc},
     volume = {140},
     year = {1974},
     zbl = {0275.55022},
     url = {http://geodesic.mathdoc.fr/item/MZ_1974__140_172126/}
}