, M. K. Functional Analytic Approach to a Classical Problem of Filtering Theory. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 5, n. 12, p. 250 –, 2017. DOI: 10.17762/ijritcc.v5i12.1365. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/1365. Acesso em: 30 apr. 2024.