L.E.J. Brouwer's "Unreliability of the logical principles": A new translation, with an introduction - Atten, Mark van 1973-; Sundholm, Göran; Brouwer, Luitzen E. J. 1881-1966 (2017)
Seite 37-44: "De onbetrouvbaarheid der logische principes / door L.E.J. Brouver" ; "The unreliability of the logical principles / by L.E.J. Brouwer"