RAHEAM. A. MANSOR AL-SAPHORY. Sufficient Conditions for Observability in Electrocardiography Problem. Tikrit Journal of Pure Science, [S. l.], v. 21, n. 3, p. 166–173, 2023. DOI: 10.25130/tjps.v21i3.1011. Disponível em: https://tjpsj.org/index.php/tjps/article/view/1011. Acesso em: 18 jun. 2025.