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Chen and Ruzsa (1999): Certain irrational series
Yong-Gao Chen and Imre Z. Ruzsa, On the irrationality of certain series, Periodica Mathematica Hungarica 38 (1999), no. 1--2, 31--37, doi:10.1023/A:1004742930674. The article is cited on Problem 259. Its full text has not been obtained or read here, so no specific theorem or proof from it is attributed to that problem.
Source: https://doi.org/10.1023/A:1004742930674.
Bears on. #259
Read status. Unread; the citation and DOI are bibliographic metadata only.
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