Görnemann, S. A problem of Halmos on projective Boolean algebras. (English) Zbl 0213.29405 Colloq. Math. 25, 191-200 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 06E05 Structure theory of Boolean algebras PDFBibTeX XMLCite \textit{S. Görnemann}, Colloq. Math. 25, 191--200 (1972; Zbl 0213.29405) Full Text: DOI