Estimates for Approximation Characteristics of the Besov Classes \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $$B_{p,\theta }^r $$ \end{document} of Periodic Functions of Many Variables in the Space Lq. II

We obtain order estimates for the approximation of the classes \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $$B_{p,\theta }^r $$ \end{document} of periodic functions of many variables in the space Lq by using operators of orthogonal projection and linear operators satisfying certain conditions.