WEI-FENG, Xia. Schur convexity and Schur multiplicative convexity for a class of symmetric functions with applications. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 10, p. 1306–1318, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3102. Acesso em: 14 apr. 2025.