[1]
D. P. Proskurin, “Stability of special class of $q_{ij}$-CCR and extensions of irrational rotation algebras”, MFAT, vol. 6, no. 3, pp. 97–104, Sep. 2000, Accessed: Feb. 04, 2026. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/127