Saharon Shelah, Simon Thomas. The Cofinality Spectrum of the Infinite Symmetric Group. Journal of Symbolic Logic, 62(3):902-916, 1997.
@article{ShelahT97,
title = {The Cofinality Spectrum of the Infinite Symmetric Group},
author = {Saharon Shelah and Simon Thomas},
year = {1997},
researchr = {https://researchr.org/publication/ShelahT97},
cites = {0},
citedby = {0},
journal = {Journal of Symbolic Logic},
volume = {62},
number = {3},
pages = {902-916},
}