LIU, Xianrui. Locating Logical Necessity in Models or the Nature of Situations. Problemos, [S. l.], p. 78–93, 2024. DOI: 10.15388/Problemos.Priedas.24.6. Disponível em: https://www.zurnalai.vu.lt/problemos/article/view/38285. Acesso em: 14 nov. 2025.