@article{1077470132,
author = {Davis, H. S. and Stadtlander, D. P. and Swingle, P. M.},
title = {Semigroups, continua and the set functions $T^n$ .},
journal = {Duke Math. J.},
volume = {29},
number = {1},
year = {1962},
pages = { 265-280},
language = {en},
url = {http://dml.mathdoc.fr/item/1077470132}
}
Davis, H. S.; Stadtlander, D. P.; Swingle, P. M. Semigroups, continua and the set functions $T^n$ .. Duke Math. J., Tome 29 (1962) no. 1, pp. 265-280. http://gdmltest.u-ga.fr/item/1077470132/