On logarithmic convexity for power sums and related results. Pečarić, J.; Rehman, Atiq Ur — 2008 Journal of Inequalities and Applications [electronic only]
On logarithmic convexity for power sums and related results. II. Pečarić, J.; Rehman, Atiq Ur — 2008 Journal of Inequalities and Applications [electronic only]
On refinements of Aczél, Popoviciu, Bellman's inequalities and related results. Farid, G.; Pečarić, J.; Rehman, Atiq Ur — 2010 Journal of Inequalities and Applications [electronic only]