Samoilenko, Y.S. and Zavodovsky, M.V. (2005) “Spectral theorems for $*$-representations of the algebras $\mathcal{P}_{\Gamma,\chi,com}$ associated with Dynkin graphs”, Methods of Functional Analysis and Topology, 11(1), pp. 88–96. Available at: https://zen.imath.kiev.ua/index.php/mfat/article/view/270 (Accessed: 16 December 2025).