@article{RoslanowskiS11,
  title = {Reasonable Ultrafilters, Again},
  author = {Andrzej Roslanowski and Saharon Shelah},
  year = {2011},
  url = {http://projecteuclid.org/euclid.ndjfl/1303995710},
  researchr = {https://researchr.org/publication/RoslanowskiS11},
  cites = {0},
  citedby = {0},
  journal = {Notre Dame Journal of Formal Logic},
  volume = {52},
  number = {2},
  pages = {113-147},
}