I. K. Tsikunov, “On the structure of isometric transformations of simplex and orthogonal vector spaces”, Ukr. Mat. Zhurn., vol. 18, no. 4, pp. 79–93, Jun. 1966, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8315