@article{1077379444,
author = {Halpern, Benjamin},
title = {Asymptotic periodic point theorems},
journal = {Duke Math. J.},
volume = {38},
number = {1},
year = {1971},
pages = { 1-6},
language = {en},
url = {http://dml.mathdoc.fr/item/1077379444}
}
Halpern, Benjamin. Asymptotic periodic point theorems. Duke Math. J., Tome 38 (1971) no. 1, pp. 1-6. http://gdmltest.u-ga.fr/item/1077379444/