Kopecek, Oldrich; Novotny, Miroslav On some invariants of unary algebras. (English) Zbl 0333.08004 Czech. Math. J. 24(99), 219-246 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 08Axx Algebraic structures PDF BibTeX XML Cite \textit{O. Kopecek} and \textit{M. Novotny}, Czech. Math. J. 24(99), 219--246 (1974; Zbl 0333.08004) Full Text: EuDML OpenURL References: [1] M. Novotný: O jednom problému z teorie zobrazení. Publ. Fac. Sci. Univ. Masaryk, No 344 (1953), 53-64. [2] M. Novotný: Über Abbildungen von Mengen. Pac. Journ. Math. 13 (1963), 1359-1369. · Zbl 0137.25304 [3] F. Hausdorff: Mengenlehre. Leipzig, 1914. · JFM 45.0123.01 [4] W. Sierpinski: Cardinal and ordinal numbers. Warszawa, 1958. · Zbl 0083.26803 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.