Beissen, Nurzada, Medeu Abishev, Saken Toktarbay, Tursynbek Yernazarov, Daniya Utepova, and Madina Zhakipova. “The Exploring Nonlinear Vacuum Electrodynamics Beyond Maxwell’s Equations”. International Journal of Mathematics and Physics 14, no. 1 (July 4, 2023): 61–70. Accessed November 23, 2024. https://ijmph.kaznu.kz/index.php/kaznu/article/view/616.