@article{1102991727,
author = {Gray, Neil R.},
title = {Unstable points in the hyperspace of connected subsets.},
journal = {Pacific J. Math.},
volume = {23},
number = {3},
year = {1967},
pages = { 515-520},
language = {en},
url = {http://dml.mathdoc.fr/item/1102991727}
}
Gray, Neil R. Unstable points in the hyperspace of connected subsets.. Pacific J. Math., Tome 23 (1967) no. 3, pp. 515-520. http://gdmltest.u-ga.fr/item/1102991727/