@article{01230062,
title = {A counter example on common periodic points of functions.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {21},
year = {1998},
pages = {823-827},
doi = {10.1155/S0161171298001148},
zbl = {0913.54031},
language = {en},
url = {http://dml.mathdoc.fr/item/01230062}
}
Alikhani-Koopaei, Aliasghar. A counter example on common periodic points of functions.. International Journal of Mathematics and Mathematical Sciences, Tome 21 (1998) pp. 823-827. doi : 10.1155/S0161171298001148. http://gdmltest.u-ga.fr/item/01230062/