Hansoul, Georges E. Quasi-ordered systems. II. (English) Zbl 0318.06022 Bull. Soc. R. Sci. Liège 44, 375-395 (1975). MSC: 06F05 × Cite Format Result Cite Review PDF
Hansoul, Georges E. Quasi-ordered systems. I. (English) Zbl 0318.06021 Bull. Soc. R. Sci. Liège 44, 91-103 (1975). MSC: 06F05 × Cite Format Result Cite Review PDF