@article{00147576,
title = {An infinite version of the P\'olya enumeration theorem.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {15},
year = {1992},
pages = {697-700},
doi = {10.1155/S0161171292000917},
zbl = {0767.05006},
language = {en},
url = {http://dml.mathdoc.fr/item/00147576}
}
Bekes, Robert A. An infinite version of the Pólya enumeration theorem.. International Journal of Mathematics and Mathematical Sciences, Tome 15 (1992) pp. 697-700. doi : 10.1155/S0161171292000917. http://gdmltest.u-ga.fr/item/00147576/