Chacron, J. Un théorème en algèbre et en analyse. (French) Zbl 0216.29701 Collect. Math. 20, 101-106 (1969). MSC: 03E20 Other classical set theory (including functions, relations, and set algebra) PDFBibTeX XMLCite \textit{J. Chacron}, Collect. Math. 20, 101--106 (1969; Zbl 0216.29701) Full Text: EuDML