@article{1183745184,
author = {Peterson, Douglas},
title = {Cardinal Functions on Ultraproducts of Boolean Algebras},
journal = {J. Symbolic Logic},
volume = {62},
number = {1},
year = {1997},
pages = { 43-59},
language = {en},
url = {http://dml.mathdoc.fr/item/1183745184}
}
Peterson, Douglas. Cardinal Functions on Ultraproducts of Boolean Algebras. J. Symbolic Logic, Tome 62 (1997) no. 1, pp. 43-59. http://gdmltest.u-ga.fr/item/1183745184/