Diachenko, M., O. Novak, and R. Kholodov. “Vacuum Birefringence in a Supercritical Magnetic Field”. Ukrainian Journal of Physics 64, no. 3 (April 1, 2019): 181. Accessed November 24, 2024. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019295.