PAPAGEORGIOU, N. S. ON BEST APPROXIMATIONS IN THE LEBESGUE-BOCHNER SPACE $L^1(X)$. Tamkang Journal of Mathematics, [S. l.], v. 24, n. 3, p. 303–307, 1993. DOI: 10.5556/j.tkjm.24.1993.4501. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4501. Acesso em: 3 may. 2024.