Мадевски, Ж., and А. Самарџиски. “HЕКОЛКУ НЕРАВЕНСТВА ЗА АГЛИТЕ ВО ТРИАГОЛНИКОТ”. Matematichki Bilten 13, no. 1 (January 1, 1989): 59–64. Accessed October 19, 2026. https://bilten.smm.org.mk/index.php/bilten/article/view/1446.