Aragane, Kenichi Syntactical characterizations of the amalgamation property for universal Horn classes. (English) Zbl 0703.03012 General algebra, Proc. Int. Conf., Krems/Austria 1988, 27-38 (1990). Reviewer: M.Yasuhara MSC: 03C40 PDFBibTeX XML
Aragane, Kenichi Syntactical characterizations of universal Horn classes with AP of WAP. (English) Zbl 0601.03011 Semigroups and related topics, Proc. 9th Symp., Naruto City/Jap. 1985, 79-81 (1986). MSC: 03C40 PDFBibTeX XML