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Matematicheskie Zametki, 1974, Volume 15, Issue 2, Pages 263–270 (Mi mzm7345)  

Semivarieties and Schreier varieties of unary algebras

A. I. Budkin

Novosibirsk State University
Abstract: A correction is provided for one result of a paper by Shafaat [1], and it is proven that the set of Schreier varieties of algebras $\left<A;{}^+1\right>$ with two unary operations has the cardinality of the continuum.
English version:
Mathematical Notes, 1974, Volume 15, Issue 2, Pages 150–154
DOI: https://doi.org/10.1007/BF02102397
Bibliographic databases:
Language: Russian
Citation: A. I. Budkin, “Semivarieties and Schreier varieties of unary algebras”, Mat. Zametki, 15:2 (1974), 263–270; Math. Notes, 15:2 (1974), 150–154
Citation in format AMSBIB
\Bibitem{Bud74}
\by A.~I.~Budkin
\paper Semivarieties and Schreier varieties of unary algebras
\jour Mat. Zametki
\yr 1974
\vol 15
\issue 2
\pages 263--270
\mathnet{http://mi.mathnet.ru/mzm7345}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=349533}
\zmath{https://zbmath.org/?q=an:0288.08006}
\transl
\jour Math. Notes
\yr 1974
\vol 15
\issue 2
\pages 150--154
\crossref{https://doi.org/10.1007/BF02102397}
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