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Elementary Equivalence of Derived Structures of Free Semigroups, Unars, and Groups
Algebra i logika, Tome 43 (2004) no. 6, pp. 730-748 Cet article a éte moissonné depuis la source Math-Net.Ru

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We deal in elementary equivalence on arbitrary structures of free algebras in a series of varieties.
Keywords: elementary equivalence, free algebra, semigroup, unar.
Mots-clés : group 
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A. G. Pinus. Elementary Equivalence of Derived Structures of Free Semigroups, Unars, and Groups. Algebra i logika, Tome 43 (2004) no. 6, pp. 730-748. http://geodesic.mathdoc.fr/item/AL_2004_43_6_a4/

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