SAH, N. P. About Riesz theory of compact operators. BIBECHANA, [S. l.], v. 9, p. 126–129, 2012. DOI: 10.3126/bibechana.v9i0.7186. Disponível em: https://nepjol.info./index.php/BIBECHANA/article/view/7186. Acesso em: 18 dec. 2024.