Kořínek, Vladimír Remarks on the article of “The application of polarity to the direct product decomposition of a group” by František Šik. (Bemerkung zu der Arbeit: “Die Anwendung der Polariät auf die direkten Produktzerlegungen einer Gruppe” von František Šik.) (German) Zbl 0075.01501 Czech. Math. J. 6(81), 139 (1956). Concerns the article by F. Šik [Czech. Math. J. 5(80), 61–75 (1955; Zbl 0068.01502)]. Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 20E99 Structure and classification of infinite or finite groups 06E99 Boolean algebras (Boolean rings) Keywords:application of polarity; direct product decomposition Citations:Zbl 0068.01502 PDF BibTeX XML Cite \textit{V. Kořínek}, Czech. Math. J. 6(81), 139 (1956; Zbl 0075.01501) OpenURL