@article{Maksimychev2025ponderomotive, author={Maksimychev, A.V. and Menshikov, L.I. and Men'shikov, P.L. and Senchenkov, S.A.}, title={Ponderomotive Forces. 2. Magnetics and Nonlinear Materials}, journal={Physics in Higher Education}, publisher={Moscow Physical Society}, year={2025}, pages={18-35}, volume={31}, issue={4}, }