ASGHAR, S.; HAYAT, Tasawar. Cylindrical wave diffraction by an absorbing strip. Archives of Acoustics, [S. l.], v. 23, n. 3, p. 391–402, 1998. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/920. Acesso em: 18 apr. 2026.