Kujumdžieva-Nikoloska, Marija, and Dragan Dimitrovski. “APROXIMATIVE METHODS FOR SOLVING SOME NONLINEAR DIFFERENTIAL EQUATIONS”. Matematichki Bilten 19, no. 1 (January 1, 1995): 65–74. Accessed August 14, 2026. https://bilten.smm.org.mk/index.php/bilten/article/view/1533.