Doob, Joseph L.; Koopman, B. O. On analytic functions with positive imagimary parts. (English) Zbl 0010.17101 Bull. Am. Math. Soc. 40, 601-605 (1934). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:complex functions PDFBibTeX XMLCite \textit{J. L. Doob} and \textit{B. O. Koopman}, Bull. Am. Math. Soc. 40, 601--605 (1934; Zbl 0010.17101) Full Text: DOI