1.
Telyakovskii SA. On the properties of blocks of terms of the series $\sum \cfrac1k \sin kx$. Ukr. Mat. Zhurn. [Internet]. 2012May25 [cited 2024Apr.25];64(5):713-8. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2610