H. Jerome Keisler. Ultraproducts of Finite Sets. Journal of Symbolic Logic, 32(1):47-57, 1967.
@article{Keisler67a,
title = {Ultraproducts of Finite Sets},
author = {H. Jerome Keisler},
year = {1967},
researchr = {https://researchr.org/publication/Keisler67a},
cites = {0},
citedby = {0},
journal = {Journal of Symbolic Logic},
volume = {32},
number = {1},
pages = {47-57},
}