Berge, Claude Sur l’isovalence et la régularité des transformateurs. (French) Zbl 0039.04803 C. R. Acad. Sci., Paris 231, 1404-1406 (1950). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:set theory PDFBibTeX XMLCite \textit{C. Berge}, C. R. Acad. Sci., Paris 231, 1404--1406 (1950; Zbl 0039.04803)