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B. Balcar and F. Franek. Independent families in complete Boolean algebras. Transactions of the American Mathematical Society, vol. 274 (1982), pp. 607–618. - Bohuslav Balcar, Jan Pelant, and Petr Simon. The space of ultrafilters on N covered by nowhere dense sets. Fundamenta mathematicae, vol. 110 (1980), pp. 11–24. - Boban Velickovic. OCA and automorphisms of P(ω)/fin. Topology and its applications, vol. 49 (1993), pp. 1–13.
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- Journal:
- Bulletin of Symbolic Logic / Volume 8 / Issue 4 / December 2002
- Published online by Cambridge University Press:
- 15 January 2014, p. 554
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- December 2002
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Ultrafilters of character ω1
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- Journal:
- The Journal of Symbolic Logic / Volume 54 / Issue 1 / March 1989
- Published online by Cambridge University Press:
- 12 March 2014, pp. 1-15
- Print publication:
- March 1989
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