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Author: Butkovičová, Eva

• Butkovičová, Eva: Short branches in the Rudin-Frolík order. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 3, pp. 631-635
• Butkovičová, Eva: Short branches in Rudin-Frolík order. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 25 (1984), issue 2, pp. 365
• Butkovičová, Eva: Long chains in Rudin-Frolík order. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 3, pp. 563-570
• Butkovičová, Eva: Ultrafilters without immediate predecessors in Rudin-Frolík order. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 4, pp. 757-766
• Bukovský, Lev; Butkovičová, Eva: Ultrafilter with $\aleph_0$ predecessors in Rudin-Frolík order. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 3, pp. 429-447