Direct and inverse approximation theorems are proved in the Besicovitch-Stepanets spaces $B{\mathcal S}^{p}$ of almost periodic functions in terms of the best approximations of functions and their generalized moduli of smoothness.

翻译：Besicovitch-Steponeets空间 $B_mathcal S ⁇ p} 证明了直接和反近似理论,该空间几乎定期运行,其功能的最佳近似值及其平滑的普遍模式。