Pratsiovytyi, Mykola, and Dmytro Karvatskyi. “Cantorvals As Sets of Subsums for a Series Connected With Trigonometric Functions”. Proceedings of the International Geometry Center 16, no. 3-4 (December 15, 2023): 262-271. Accessed June 27, 2026. https://journals.ontu.edu.ua/index.php/geometry/article/view/2519.