SPIERLING, Volker. El pessimisme de Schopenhauer. Enrahonar. An international journal of theoretical and practical reason, [S. l.], v. 17, p. 43–51, 1991. DOI: 10.5565/rev/enrahonar.733. Disponível em: https://revistes.uab.cat/enrahonar/article/view/v17-spierling. Acesso em: 4 apr. 2025.