Fedunyk-Yaremchuk, O., Hembars’ka, S., Romanyuk, I., & Zaderei, P. (2024). Approximation characteristics of the Nikol’skii-Besov-type classes of periodic functions of several variables in the space $B_{q,1}$. Carpathian Mathematical Publications, 16(1), 158–173. https://doi.org/10.15330/cmp.16.1.158-173