In this paper, we consider the functions, which are represented as trigonometric series with Fourier coefficients general monotone with respect to subsequences. For these functions, estimates of the norms and modules of smoothness are given.

中文翻译：

---

关于子序列的系数一般单调的三角级数

在本文中，我们考虑这些函数，这些函数表示为具有子序列的Fourier系数一般单调的三角级数。对于这些功能，给出了平滑度规范和模块的估计。