PORTILLO PALMA, F. The essence as a remedy against the resignation of theory: Refections on the concept of essence in the early production of Herbert Marcuse (1928-1942). Fragmentos de FilosofĂ­a, [S. l.], n. 21, 2024. DisponĂ­vel em: https://revistascientificas.us.es/index.php/fragmentos_filosofia/article/view/26721. Acesso em: 6 apr. 2025.