ZAKSAS, Irmija. The Problem of Death. Problemos, [S. l.], v. 1, p. 38–46, 1968. DOI: 10.15388/Problemos.1968.1.5703. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/5703. Acesso em: 28 oct. 2025.