VALEVIČIUS, Vytautas. Problem of Empirical Basis of Scientific Knowledge in the Philosophy of the 20th Century. Problemos, [S. l.], v. 27, p. 14–21, 1982. DOI: 10.15388/Problemos.1982.27.6304. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/6304. Acesso em: 28 oct. 2025.