QUINTANILLA, R.; RACKE, R. Addendum to: Qualitative aspects of solutions in resonators. Archives of Mechanics, Warsaw, Poland, v. 63, n. 4, p. 429–435, 2011. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v63p429. Acesso em: 17 jan. 2026.