@article{Pozharska2021_BYMAT, author = {Pozharska, Kateryna}, title = {{Best approximations and entropy numbers of the classes of periodic functions of many variables}}, journal = {{TEMat monogr\'{a}ficos}}, year = {2021}, volume = {2}, issuetitle = {{Proceedings of the 3rd BYMAT Conference}}, issn = {2660-6003}, pages = {147-150}, url = {https://temat.es/monograficos/article/view/vol2-p147}, }