Volosivets, Sergey S.; Kuznetsova, Maria A. On the magnitude of Vilenkin-Fourier coefficients. (English) Zbl 1466.42022 Eur. J. Math. 7, No. 1, 374-389 (2021). Reviewer: Iris Athamaica Lopez Palacios (Caracas) MSC: 42C10 26A45 26A16 PDFBibTeX XMLCite \textit{S. S. Volosivets} and \textit{M. A. Kuznetsova}, Eur. J. Math. 7, No. 1, 374--389 (2021; Zbl 1466.42022) Full Text: DOI
Kuznetsova, Maria A.; Volosivets, Sergey S. Partial best approximations and magnitude of double Vilenkin-Fourier coefficients. (English) Zbl 1449.42050 Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Comput. 49, 299-315 (2019). MSC: 42C10 26B30 26B35 PDFBibTeX XMLCite \textit{M. A. Kuznetsova} and \textit{S. S. Volosivets}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Comput. 49, 299--315 (2019; Zbl 1449.42050) Full Text: Link