Бабинкостов, Вангел. “ЗА ЕДНА ОЦЕНКА НА ПОГРЕШНОСТА НА МАТРИЧНО-КВАДРАТУРНИОТ ПРОЦЕС”. Matematichki Bilten 15, no. 1 (January 1, 1991): 69–76. Accessed October 5, 2026. https://bilten.smm.org.mk/index.php/bilten/article/view/1991.