Rudin, Mary Ellen Types of ultrafilters. (English) Zbl 0158.20104 Ann. Math. Stud. 60, 147-151 (1966). Reviewer: Orrin Frink Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 11 Documents MSC: 54-XX General topology Keywords:topology; Stone-Čech compactification; ultrafilters PDFBibTeX XMLCite \textit{M. E. Rudin}, Ann. Math. Stud. 60, 147--151 (1966; Zbl 0158.20104)