On the sum of a direct system of universal algebras with nullary polynomials
暂无分享,去创建一个
[1] R. John. On classes of algebras definable by regular equations , 1976 .
[2] R. Padmanabhan,et al. Subdirect decomposition of Płonka sums , 1972 .
[3] Jerzy Płonka,et al. On a method of construction of abstract algebras , 1967 .
[4] George Gratzer,et al. Universal Algebra , 1979 .
[5] Jerzy Płonka. On equational classes of abstract algebras defined by regular equations , 1969 .
[6] Jürgen Schmidt. QUASI-DECOMPOSITIONS, EXACT SEQUENCES, AND TRIPLE SUMS OF SEMIGROUPS. I. GENERAL THEORY , 1977 .