FILIPKOWSKI, J. Dwuwymiarowe Zagadnienie Teorii Naprężeni Cieplnych. Engineering Transactions, [S. l.], v. 14, n. 4, p. 531–557, 1966. Disponível em: http://et.ippt.gov.pl/index.php/et/article/view/2733. Acesso em: 17 jan. 2026.