1.
Romanyuk AS, Serdyuk AS, Stepanets OI. The second school “Fourier series. Theory and Applications”. Ukr. Mat. Zhurn. [Internet]. 1997Nov.25 [cited 2024May21];49(11):1584. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5161