Wituła, Roman; Hetmaniok, Edyta; Słota, Damian Some new facts about group generated by the family of convergent permutations. (English) Zbl 1362.40003 Open Math. 15, 568-577 (2017). MSC: 40A05 05A99 PDFBibTeX XMLCite \textit{R. Wituła} et al., Open Math. 15, 568--577 (2017; Zbl 1362.40003) Full Text: DOI
Wituła, Roman Permutations preserving sums of rearranged real series. (English) Zbl 1276.40001 Cent. Eur. J. Math. 11, No. 5, 956-965 (2013). Reviewer: Vladimir Kadets (Kharkov) MSC: 40A05 05A99 PDFBibTeX XMLCite \textit{R. Wituła}, Cent. Eur. J. Math. 11, No. 5, 956--965 (2013; Zbl 1276.40001) Full Text: DOI