PETKEVIČIŪTĖ, Nijolė. The Concept of Logic by E. Nagel. Problemos, [S. l.], v. 32, p. 118–127, 1984. DOI: 10.15388/Problemos.1984.32.6470. Disponível em: https://www.journals.vu.lt/problemos/article/view/6470. Acesso em: 5 dec. 2025.