1.
Akhazhanov T, Bokayev N, Matin D, Aktosun T. 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. M [Internet]. 2023 Dec. 29 [cited 2025 Jul. 2];112(4):21-9. Available from: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/602