@article{article70293396,
title   = {From the Poincaré Theorem to generators of the unit group of integral group rings of finite groups},
author = {Jespers, Eric and Juriaans, Orlando Stanley and Kiefer, Ann and Silva, A. de A. e and Souza Filho, Antônio Calixto de},
year = {2015},
doi = {10.1090/S0025-5718-2014-02865-2},
journal   = {Mathematics of Computation}
}