DIFFЕRЕNSIАL TЕNGLАMАLАR UCHUN LОKАL SHАRTLI MАSАLАLАR. Journal of Universal Science Research, [S. l.], v. 4, n. 3, p. 133–140, 2026. DOI: 10.66301/jusr.v4i3.17476. Disponível em: https://www.universalpublishings.com/index.php/jusr/article/view/17476. Acesso em: 11 nov. 2026.