[1]
V. V. Tretynyk, “Hidden symmetries of the two-particle dirac equation with linear interaction”, Ukr. Mat. Zhurn., vol. 48, no. 9, pp. 1295–1296, Sep. 1996, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5244