[1]
V. I. Bodraya, O. A. Novikov, and V. I. Rukasov, “Approximation of Classes of ψ-Integrals of Periodic Functions of Many Variables by Rectangular Linear Means of Their Fourier Series”,
Ukr. Mat. Zhurn., vol. 57, no. 4, pp. 564–570, Apr. 2005, Accessed: Apr. 09, 2025. [Online]. Available:
https://umj.imath.kiev.ua/index.php/umj/article/view/3622