Fernández-Rañada, Antonio2023-06-212023-06-211972-100022-248810.1063/1.1665868https://hdl.handle.net/20.500.14352/64920© 1972 The American Institute of Physics.A modification of Weyl's theory of the electromagnetic field is presented, such that the usual gravitational Lagrangian becomes invariant under the corresponding definition of gauge transformation. As another advantage the problem of the weight of the tensors in the construction of Lagrangians is eliminated.journal articlehttp://dx.doi.org/10.1063/1.1665868http://scitation.aip.orgmetadata only access537ElectricidadElectrónica (Física)2202.03 Electricidad