Gourin, Eli A generalized theorem on oscillating functions. (English) Zbl 0021.11602 Fundam. Math. 32, 97-102 (1939). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:Set theory, real functions PDFBibTeX XMLCite \textit{E. Gourin}, Fundam. Math. 32, 97--102 (1939; Zbl 0021.11602) Full Text: DOI EuDML