@misc{10481/99455, year = {2020}, url = {https://hdl.handle.net/10481/99455}, title = {Lusternik–schnirelman theory for the action integral of the Lorentz force equation}, doi = {https://doi.org/10.1007/s00526-020-1711-0}, author = {Arcoya Álvarez, David and Bereanu, Cristian and Torres, Pedro J.}, }