Ghalandarzadeh, S., H. S. Javadi, and M. Khoramdel. “Polynomial Extensions of Generalized Quasi-Baer Rings”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 62, no. 5, May 2010, pp. 698–701, https://umj.imath.kiev.ua/index.php/umj/article/view/2900.