Bagul, Yogesh J., Sumedh B. Thool, Christophe Chesneau, and Ramkrishna M. Dhaigude. “Refinements of Some Classical Inequalities Involving Sinc and Hyperbolic Sinc Functions”. Annales Mathematicae Silesianae 37, no. 1 (November 23, 2022): 1–15. Accessed May 7, 2025. https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14911.