STORI, Mohammad Khalid. Euler Differential Equation for Extreme Function. Journal of Natural Sciences – Kabul University, [S. l.], v. 4, n. 1, p. 163–174, 2025. DOI: 10.62810/jns.v4i1.201. Disponível em: https://jns.edu.af/jns/article/view/201. Acesso em: 4 apr. 2025.