Wan, Lin, and GuptaS. “A Presentation of the Automorphism Group of the Two-Generator Free Metabelian and Nilpotent Group of Class $c$”. Ukrains’kyi Matematychnyi Zhurnal 54, no. 6 (June 25, 2002): 771-779. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4115.