Lenstra, Hendrik W. Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1016/j.exmath.2019.02.003 (Publisher version)
1703.07273.pdf (Preprint), 261KB
Lenstra, H. W. (2020). The unit theorem for finite-dimensional algebras. Expositiones Mathematicae, 38(3), 285-302. doi:10.1016/j.exmath.2019.02.003.