KUJUMDŽIEVA-NIKOLOSKA, Marija. ITERATIVE FORMULAS FOR SOLVING LINEAR DIFFERENTIAL EQUATIONS OF I AND II ORDER. Matematichki Bilten, [S. l.], v. 17, n. 1, p. 93–100, 1993. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1504. Acesso em: 14 aug. 2026.