1.
Ostrovska O, Ostrovskyi VL, Proskurin DP, Samoilenko YS. A class of representations of $C^*$-algebra generated by $q_{ij}$-commuting isometries. MFAT. 2022;28(1):89-94. Accessed December 15, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/821