NOWACKI, J.P. Electro-elastic fields of a plane thermal inclusion in isotropic dielectrics with polarization gradient. Archives of Mechanics, Warsaw, Poland, v. 56, n. 1, p. 33–57, 2004. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v56p33. Acesso em: 17 jan. 2026.