Definability in the Lattice of Equational Theories of Commutative Semigroups

Autor:	Kisielewicz, Andrzej
Zdroj:	Transactions of the American Mathematical Society, 2004 Sep 01. 356(9), 3483-3504.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3844986 Zobrazit plný text záznamu