... logarithmic mean,” Journal of Inequalities in Pure and Applied Mathematics, vol 4, no 4, article 80, pages, 2003 17 E Neuman, A generalization of an inequality of Jia and Cau,” Journal of Inequalities ... On the log-convexity of two-parameter homogeneous functions,” Mathematical Inequalities & Applications, vol 10, no 3, pp 499–516, 2007 11 B C Carlson, The logarithmic mean,” The American Mathematical ... Journal of Mathematical Analysis and Applications, vol 92, no 1, pp 207–223, 1983 Zs P´ les, “Inequalities for differences of powers,” Journal of Mathematical Analysis and Applications, a vol 131,...