Papageorgiou, Konstantinos, and Demetrios Lekkas. “Verification in Theory and in the Sciences”. Epistēmēs Metron Logos, no. 3 (January 11, 2020): 25–48. Accessed April 20, 2024. https://ejournals.epublishing.ekt.gr/index.php/episteme/article/view/22106.