CHECHKIN, G. A.; KOROLEVA, Y. O.; PERSSON, L.-E.; WALL, P. A new weighted Friedrichs--type inequality for a perforated domain with a sharp constant. Eurasian Mathematical Journal, [S. l.], v. 2, n. 1, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/70. Acesso em: 5 oct. 2024.