Mathematical inequalities and applications 2018 : conference in honour of academician Josip Pečarić on the occassion of his 70th birthday : book of abstracts of the Conference Mathematical Inequalities and Applications 2018, Zagreb, Croatia, July 4-8, 2018 - Aglić Aljinović, Andrea; Elezović, Neven, matematičar; Rodić Lipanović, Mirna (Element, 2018)