Mattos, Fernando Costa. “Kant and the Problem of the Thing-in-Itself. The Perspective of a Rational Reflection”. Cadernos de Filosofia Alemã: Crítica e Modernidade, no. 5 (November 17, 1999): 27–44. Accessed March 8, 2026. https://revistas.usp.br/filosofiaalema/article/view/64755.