Engelking, Ryszard On the double circumference of Alexandroff. (English) Zbl 0167.21001 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 16, 629-634 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 27 Documents Keywords:topology PDFBibTeX XMLCite \textit{R. Engelking}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 16, 629--634 (1968; Zbl 0167.21001)