On a Jensen-Mercer operator inequality. Ivelić, S.; Matković, A.; Pečarić, J. — 2011 Banach Journal of Mathematical Analysis [electronic only]
Variants of Čebyšev's inequality with applications. Klaričić Bakula, M.; Matković, A.; Pečarić — 2006 Journal of Inequalities and Applications [electronic only]
A variant of Jessen's inequality and generalized means. Cheung, Wing-Sum; Matković, A.; Pečarić, Josip E. — 2006 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]