KarakusS. O., and YayliY. “Bicomplex Number and Tensor Product Surfaces in $\mathbb{R}^4_2$”. Ukrains’kyi Matematychnyi Zhurnal 64, no. 3 (March 25, 2012): 307-317. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2578.