@article{article0aca9ff0,
title   = {Free product of units in algebra - II: crossed products},
author = {Gonçalves, Jairo Zacarias and Mandel, Arnaldo and Shirvani, Mazi},
year = {2000},
doi = {10.1006/jabr.2000.8440},
journal   = {Journal of Algebra}
}