Absolute instability of double annular jets: local stability analysis. Archives of Mechanics, [S. l.], v. 73, n. 3, p. 267–300, 2021. DOI: 10.24423/aom.3732. Disponível em: https://am3.ippt.pan.pl/index.php/am/article/view/v73p267. Acesso em: 13 may. 2025.