Nesterenko ON, Petrova IL, Chaikovs'kyi AV. On a property of moduli of smoothness with Jacobi weights. Ukr. Mat. Zhurn. [Internet]. 2022 May 23 [cited 2025 Dec. 8];74(4):534-41. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/7034