PEČARIĆ, Josip; SMOLJAK KALAMIR, Ksenija. GAUSS-STEFFENSEN TYPE INEQUALITIES. Matematichki Bilten, [S. l.], v. 38, n. 2, p. 81–90, 2014. DOI: 10.37560/matbil14200081p. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1795. Acesso em: 14 aug. 2026.