Umirbaev, Ualbai U. Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1515/CRELLE.2006.092 (Publisher version)
Umirbaev, U. U. (2006). Defining relations of the tame automorphism group of polynomial algebras in three variables. Journal für die Reine und Angewandte Mathematik, 600, 203-235. doi:10.1515/CRELLE.2006.092.