NOWAK, M. Singularities of aerodynamic transfer functions calculated on the basis of an unsteady lifting surface model in subsonic flow. Archives of Mechanics, Warsaw, Poland, v. 48, n. 5, p. 843–868, 1996. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v48p843. Acesso em: 17 jan. 2026.