TYTMONAS, Alfredas. Science at the Crossing of Conceptions. Problemos, [S. l.], v. 28, p. 51–57, 1982. DOI: 10.15388/Problemos.1982.28.6328. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/6328. Acesso em: 27 oct. 2025.