Nang PT, Yem PX. Chiral Anomaly, Triangle Loop and the \(\gamma\gamma^{*}\to \pi^{0}\) Transition Form Factor. Comm. Phys. [Internet]. 2013 Jan. 10 [cited 2024 Apr. 25];22(4):289. Available from: https://vjs.ac.vn/index.php/cip/article/view/2554