Misaghian, Manouchehr. “Factor Rings and Their Decompositions in the Eisenstein Integers Ring ${\huge\mathbb{Z}}\left[ \omega \right]$”. *Armenian Journal of Mathematics* 5, no. 1 (July 17, 2013): 58-68. Accessed November 25, 2020. http://armjmath.sci.am/index.php/ajm/article/view/90.