[1] P. S. Bullen, D. S. Mitrinović and P. M. Vasić, Means and their
Inequalities, Reidel, Dordrecht, NL, 1988.
[2] V. Cirtoaje and A. Baiesu, An extension of Jensen’s discrete
inequality to half convex functions, Journal of Inequalities and
Applications 2011 (2011), 13; Article 101.
[3] J. L. W. V. Jensen, Om konvekse Funktioner og Uligheder mellem
Middelværdier, Nyt Tidsskrift for Matematik. B. 16 (1905), 49-68.
[4] J. L. W. V. Jensen, Sur les fonctions convexes et les inégalités
entre les valeurs moyennes, Acta Mathematica 30 (1906), 175-193.
[5] J. Mićić, Z. Pavić and J. E. Pečarić, The inequalities for
quasiarithmetic means, Abstract and Applied Analysis 2012 (2012), 25;
Article ID 203145.
[6] C. P. Niculescu and L. E. Persson, Convex Functions and their
Applications, Canadian Mathematical Society, Springer, New York, USA,
2006.
[7] Z. Pavić, J. E. Pečarić and I. Perić, Integral, discrete and
functional variants of Jensen’s inequality, Journal of Mathematical
Inequalities 5(2) (2011), 253-264.
[8] J. E. Pečarić, F. Proschan and Y. L. Tong, Convex Functions,
Partial Orderings, and Statistical Applications, Academic Press, New
York, USA, 1992.
[9] W. Rudin, Real and Complex Analysis, McGraw-Hill, New York, USA,
1987.