Meilus, J. O., and S. Gelzinis. “The Way to Prove the Correctness of Nonlinear Equations of Magnetron Devices”. Elektronika ir Elektrotechnika 29, no. 6 (October 22, 2000). Accessed October 16, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/18677.