Marian, Daniela. “\(h\)-Strongly \(E\)-Convex Functions”. Rev. Anal. Numér. Théor. Approx. 40, no. 1 (February 1, 2011): 47–51. Accessed May 2, 2024. https://ictp.acad.ro/jnaat/journal/article/view/2011-vol40-no1-art5.