@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}, }