MORILLAS, P. M. Dual finite frames for vector spaces over an arbitrary field with applications. Armenian Journal of Mathematics, [S. l.], v. 13, n. 2, p. 1–36, 2021. DOI: 10.52737/18291163-2021.13.2-1. Disponível em: http://armjmath.sci.am/index.php/ajm/article/view/479. Acesso em: 16 jun. 2021.