@article{RoSh:534,
author = {Roslanowski, Andrzej and Shelah, Saharon},
trueauthor = {Ros{\l}anowski, Andrzej and Shelah, Saharon},
fromwhere = {PL,IL},
journal = {Fundamenta Mathematicae},
note = { arxiv:math/9703218 },
pages = {101--151},
title = {{Cardinal invariants of ultrapoducts of Boolean algebras}},
volume = {155},
year = {1998},
}