YakymenkoD. Yu. “Unitarization of Representations of a Partially Ordered Set Associated With a Graph $\tilde{E}_6$”. Ukrains’kyi Matematychnyi Zhurnal 61, no. 10 (October 25, 2009): 1424-1433. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3111.