Prykarpatski, Anatolij, Nikolai Bogolubov Jr, and Denis Blackmore. “The Lagrangian and Hamiltonian Aspects of the Electrodynamic Vacuum-Field Theory Models”. Boson Journal of Modern Physics 2, no. 2 (March 22, 2016): 105-196. Accessed May 5, 2024. http://www.scitecresearch.com/journals/index.php/bjmp/article/view/642.