@article{MM2_1974__12_154235,
     author = {Michael Reeken},
     title = {Stability of {Critical} {Values} and {Isolated} {Critical} {Continua.}},
     journal = {Manuscripta mathematica},
     pages = {163--194},
     publisher = {mathdoc},
     volume = {12},
     year = {1974},
     zbl = {0284.58007},
     url = {http://geodesic.mathdoc.fr/item/MM2_1974__12_154235/}
}