On grothendieck-lidskii trace formulas and applications to approximation properties. Journal of Prime Research in Mathematics, [S. l.], v. 9, n. 1, p. 11 – 17, 2013. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/88. Acesso em: 4 feb. 2026.