Casperson, D.; Hyndman, J.; Mason, J.; Nation, J. B.; Schaan, B. Existence of finite bases for quasi-equations of unary algebras with 0. (English) Zbl 1335.08005 Int. J. Algebra Comput. 25, No. 6, 927-950 (2015). Reviewer: Danica Jakubiková-Studenovská (Košice) MSC: 08C15 08A60 × Cite Format Result Cite Review PDF Full Text: DOI
Casperson, David; Hyndman, Jennifer Primitive positive formulas preventing a finite basis of quasi-equations. (English) Zbl 1196.08004 Int. J. Algebra Comput. 19, No. 7, 925-935 (2009). Reviewer: Leonid M. Martynov (Omsk) MSC: 08C15 08A60 × Cite Format Result Cite Review PDF Full Text: DOI