Servi, Mario Categorical algebras and flexible equations. (A generalization of universal algebra). (Italian) Zbl 0484.18006 Rend. Sem. Mat. Fis. Milano 50, 55-71 (1980). MSC: 18C15 08A40 PDFBibTeX XMLCite \textit{M. Servi}, Rend. Semin. Mat. Fis. Milano 50, 55--71 (1980; Zbl 0484.18006) Full Text: DOI
Pilz, Günter Quasi-anelli: teoria ed applicazioni. (Italian) Zbl 0442.16033 Rend. Sem. Mat. Fis. Milano 48, 79-86 (1978). MSC: 16Y30 08A40 PDFBibTeX XMLCite \textit{G. Pilz}, Rend. Semin. Mat. Fis. Milano 48, 79--86 (1978; Zbl 0442.16033) Full Text: DOI
Magari, Roberto Problemi aperti sulle algebre diagonali. (Italian) Zbl 0352.08008 Rend. Sem. Mat. Fis. Milano 44(1974), 75-90 (1975). MSC: 08Axx 03F99 PDFBibTeX XMLCite \textit{R. Magari}, Rend. Semin. Mat. Fis. Milano 44, 75--90 (1975; Zbl 0352.08008) Full Text: DOI