LEONTIEV, Dmitry; OSIN, Evgeny. Utrata sensu życia i wyobcowanie [[Estrangement and Loss of Meaning]]. Studia z Historii Filozofii, [S. l.], v. 8, n. 4, p. 35–56, 2017. DOI: 10.12775/szhf.2017.040. Disponível em: https://apcz.umk.pl/szhf/article/view/szhf.2017.040. Acesso em: 23 sty. 2025.