YANG G-S, WU H-L. A REFINEMENT OF HADAMARD’S INEQUALITY FOR ISOTONIC LINEAR FUNCTIONALS. Tamkang J. Math. [Internet]. 1996 Dec. 1 [cited 2024 Apr. 18];27(4):327-36. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3962