HISTORY OF BOUNDARY-TERM PROBLEMS FOR MIXED-TYPE EQUATIONS. Educator Insights: Journal of Teaching Theory and Practice, [S. l.], v. 1, n. 3, p. 243–248, 2025. Disponível em: https://brightmindpublishing.com/index.php/EI/article/view/240. Acesso em: 20 jan. 2026.