1. Rvszard Frankiewicz, Saharon Shelah & Pawel Zbierski (1993). On Closed P-Sets with $\Operatorname{Ccc}$ in the Ω. Journal of Symbolic Logic 58 (4):1171 - 1176.
    It is proved that--consistently--there can be no ccc closed P-sets in the remainder space ω*.
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  2. Rvszard Frankiewicz, Saharon Shelah & Pawel Zbierski (1993). On Closed P-Sets with $Operatorname{Ccc}$ in the $Omega^Ast$. Journal of Symbolic Logic 58 (4):1171-1176.
    It is proved that--consistently--there can be no ccc closed P-sets in the remainder space $\omega^\ast$.
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  3. Pawel Zbierski (1968). Review: G. Fuhrken, Skolem-Type Normal Forms for First-Order Languages with a Generalized Quantifier; R. L. Vaught, The Completeness of Logic with the Added Quantifier "There Are Uncountably Many. [REVIEW] Journal of Symbolic Logic 33 (1):121-122.
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