RAY, S.; PAL, S.; GHOSH, S. Convexity Conditions for Symmetric Borel Derivatives and Borel Smoothness. Journal of Nepal Mathematical Society, [S. l.], v. 9, n. 1, p. 130–139, 2026. DOI: 10.3126/jnms.v9i1.95789. Disponível em: https://nepjol.info/index.php/jnms/article/view/95789. Acesso em: 29 jun. 2026.