Backhouse, Roland Pair algebras and Galois connections. (English) Zbl 1341.06004 Inf. Process. Lett. 67, No. 4, 169-175 (1998). MSC: 06A15 06A06 08A70 PDFBibTeX XMLCite \textit{R. Backhouse}, Inf. Process. Lett. 67, No. 4, 169--175 (1998; Zbl 1341.06004) Full Text: DOI Link
Gorlov, V. V.; Pöschel, R. Clones closed with respect to permutation groups or transformation semigroups. (English) Zbl 0896.08004 Beitr. Algebra Geom. 39, No. 1, 181-204 (1998). Reviewer: J.Henno (Tallinn) MSC: 08A40 08A62 06A15 PDFBibTeX XMLCite \textit{V. V. Gorlov} and \textit{R. Pöschel}, Beitr. Algebra Geom. 39, No. 1, 181--204 (1998; Zbl 0896.08004) Full Text: EuDML EMIS