Fedunyk-Yaremchuk, O. and Hembars'ka, S. (2019) “Estimates of approximative characteristics of the classes $B^{\Omega}_{p,\theta}$ of periodic functions of several variables with given majorant of mixed moduli of continuity in the space $L_{q}$”, Carpathian Mathematical Publications, 11(2), pp. 281–295. doi: 10.15330/cmp.11.2.281-295.