Fedunyk-Yaremchuk O, Hembars'ka S, Solich K. Estimates of the characteristics of nonlinear approximation of classes $B^{\Omega}_{p,\theta}$ of periodic functions of many variables in the space $B_{q,1}$. Carpathian Math. Publ. [Internet]. 2026 May 31 [cited 2026 Jul. 28];18(1):144-59. Available from: https://journals.pnu.edu.ua/index.php/cmp/article/view/10398