Pečarić JE, Perušić A, Smoljak K. Generalizations of Steffensen’s Inequality by Lidstone’s Polynomials. Ukr. Mat. Zhurn. [Internet]. 2015Nov.25 [cited 2024Nov.23];67(11):1525-39. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2087