@article{Chaichenko_Shidlich_Shulyk_2022, title={Direct and inverse approximation theorems in the Besicovitch – Musielak – Orlicz spaces of almost periodic functions }, volume={74}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/7045}, DOI={10.37863/umzh.v74i5.7045}, abstractNote={<p>UDC 517.5</p> <p>In terms of the best approximations of functions and generalized moduli of smoothness, direct and inverse approximation theorems are proved for Besicovitch almost periodic functions whose Fourier exponent sequences have a single limit point in infinity and their Orlicz norms are finite. Special attention is paid to the study of cases when the constants in these theorems are unimprovable.</p&gt;}, number={5}, journal={Ukrains’kyi Matematychnyi Zhurnal}, author={Chaichenko , S. O. and Shidlich, A. L. and Shulyk, T. V.}, year={2022}, month={Jun.}, pages={701 - 716} }