De Risi, Vincenzo Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
https://www.degruyter.com/document/doi/10.1515/apeiron-2019-0012/html (全文テキスト（全般）)
De Risi_2019_gapless.pdf (出版社版), 2MB
De Risi, V. (2021). Gapless Lines and Gapless Proofs: Intersections and Continuity in Euclid’s Elements. Apeiron, 54(2), 233-259. doi:10.1515/apeiron-2019-0012.
