Zhaugasheva, S.A., G.S. Nurbakova, and G. Saidullaeva. “RADIATIVE AND LEPTONIC DECAY OF MESONS”. Recent Contributions to Physics 34, no. 3 (November 22, 2018): 71–79. Accessed April 7, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/1020.