Some Hermite-Hadamard Type Inequalities for r-Times Differentiable (σ, t)- Convex Functions. Punjab Univ. J. Math. [Internet]. 2015 Dec. 31 [cited 2025 Jun. 29];47(2):62-73. Available from: https://pujm.pu.edu.pk/index.php/pujm/article/view/53