Bandura, A. I., and A. I. Mokhnal. “ TO THE THEOREM ON DIFFERENTIATION OF INEQUALITIES BETWEEN CONVEX FUNCTIONS”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 21(79) (December 9, 2025): 11–18. Accessed April 16, 2026. https://www.pvntsh.nung.edu.ua/index.php/number/article/view/2176.