KARPOVAS, Leonidas. On Possible Models of Language. Problemos, [S. l.], v. 15, p. 33–40, 1975. DOI: 10.15388/Problemos.1975.15.5572. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/5572. Acesso em: 27 oct. 2025.