Pečarić, Josip, and Ana Vukelić. “ON GENERALIZATIONS OF DRAGOMIR-AGARWAL INEQUALITY VIA SOME EULER-TYPE IDENTITES”. Matematichki Bilten 26, no. 1 (January 1, 2002): 17–42. Accessed August 14, 2026. https://bilten.smm.org.mk/index.php/bilten/article/view/1671.