Simian V., R. “Perspective, Unity, and Scope of Kant’s Criticism of Two Interpretations of ‘Exists’; “Kritik Der Reinen Vernunft A592-602/620-630 (I)”. Anuario Filosófico, Vol. 43, no. 3, Dec. 2010, p. 613, doi:10.15581/009.43.1507.