Kac, M. On the notion of recurrence in discrete stochastic processes. (English) Zbl 0032.41802 Bull. Am. Math. Soc. 53, 1002-1010 (1947). PDFBibTeX XMLCite \textit{M. Kac}, Bull. Am. Math. Soc. 53, 1002--1010 (1947; Zbl 0032.41802) Full Text: DOI
Erdős, Pál; Kac, M. On the number of positive sums of independent random variables. (English) Zbl 0032.03502 Bull. Am. Math. Soc. 53, 1011-1020 (1947). Reviewer: Gyires (Debrecen) MSC: 60F05 PDFBibTeX XMLCite \textit{P. Erdős} and \textit{M. Kac}, Bull. Am. Math. Soc. 53, 1011--1020 (1947; Zbl 0032.03502) Full Text: DOI