JURKŪNAITĖ, Gema. Objective Necessity and Freedom in Man’s Conscious Activity. Problemos, [S. l.], v. 12, p. 16–24, 1973. DOI: 10.15388/Problemos.1973.12.5520. Disponível em: https://www.zurnalai.vu.lt/problemos/article/view/5520. Acesso em: 10 nov. 2025.