ALBUTANA.INFO.CENTER@GMAIL.COM, Albutana.info.center@gmail.com. On Proof of Sharp Sobolev Embeddings. Al-butana Journal of Applied Sciences, [S. l.], n. 13, 2022. Disponível em: https://ojs.albutana.edu.sd/index.php/jas/article/view/8. Acesso em: 11 jul. 2026.