HUSAIN, I.; AHMAD, B. Mixed Type Second-Order Duality for Variational Problems. Journal of Informatics and Mathematical Sciences, [S. l.], v. 5, n. 1, p. 1–13, 2013. DOI: 10.26713/jims.v5i1.101. Disponível em: https://www.rgnpublications.com/journals/index.php/jims/article/view/101. Acesso em: 28 apr. 2024.