%0 Journal Article %A Dragan Đurčić %T Characterizations of Some Classes of Functions Related to Karamata Theory %J Mathematica Moravica %D 1997 %P 27 - 32 %V 1 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/MM3_1997_1_1_a4/ %F MM3_1997_1_1_a4