Gerko, A. I. Some generalizations of Galois theory of distal minimal extensions for semigroups of transformations. (Russian) Zbl 0726.20043 Mat. Issled. 118, 28-35 (1990). Reviewer: Ja.Henno (Naasa) MSC: 20M20 54H15 06A15 20M15 20M50 PDF BibTeX XML Cite \textit{A. I. Gerko}, Mat. Issled. 118, 28--35 (1990; Zbl 0726.20043) Full Text: EuDML OpenURL
Krachilov, K. K. Radical closures in complete lattices. II. (Russian) Zbl 0414.06002 Mat. Issled. 38, 150-169 (1976). MSC: 06A15 06B23 06C20 PDF BibTeX XML Cite \textit{K. K. Krachilov}, Mat. Issled. 38, 150--169 (1976; Zbl 0414.06002) Full Text: EuDML OpenURL