![Semigroup / Algebraic structures / Semigroup theory / Special classes of semigroups Semigroup / Algebraic structures / Semigroup theory / Special classes of semigroups](https://www.pdfsearch.io/img/91db0d9d63c9b7f438d4700fb89be4f9.jpg) Date: 2011-04-18 18:23:20Semigroup Algebraic structures Semigroup theory Special classes of semigroups | | Armenian Journal of Mathematics Volume 2, Number 2, 2009, 73–76 On w-extensions of the abelian semigroups S. A. Grigorian* and T. A. Khorkova** * Kazan State Power-Engineering University. Russian Federation,Add to Reading ListSource URL: ajm.asj-oa.amDownload Document from Source Website File Size: 101,89 KBShare Document on Facebook
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