B. I. Golubov and S. S. Volosivets, “Fourier cosine and sine transforms and generalized Lipschitz classes in uniform metric”, Ukr. Mat. Zhurn., vol. 64, no. 5, pp. 616–627, May 2012, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2602