Reutter, David Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.48550/arXiv.2105.15167 (Preprint)
https://doi.org/10.1090/jams/1023 (Copyright transfer agreement)
Johnson-Freyd, T., & Reutter, D. (2024). Minimal nondegenerate extensions. Journal of the American Mathematical Society, 37(1), 81-150. doi:10.1090/jams/1023.