DEGUTIS, Algirdas. Logic, Language, Philosophy. Problemos, [S. l.], v. 17, p. 112–115, 1976. DOI: 10.15388/Problemos.1976.17.5618. Disponível em: https://www.journals.vu.lt/problemos/article/view/5618.. Acesso em: 18 may. 2024.