[1]
Akhazhanov, T. et al. 2023. Coefficients of multiple Fourier-Haar series and variational modulus of continuity: An Erratum to this article was published in issue 1(113) dated March 29, 2024. Bulletin of the Karaganda University. Mathematics Series. 112, 4 (Dec. 2023), 21–29. DOI:https://doi.org/10.31489/2023m4/21-29.