1. D. Zwanziger, Local lagrangian quantum field theory of electric and magnetic charges, Phys. Rev. D 3 (1971) 880 [ INSPIRE ].
2. S. Deser and C. Teitelboim, Duality transformations of abelian and nonabelian gauge fields, Phys. Rev. D 13 (1976) 1592 [ INSPIRE ].
3. R. Kallosh, N = 8 counterterms and E 7(7) current conservation, JHEP 06 (2011) 073 [ arXiv:1104.5480 ] [ INSPIRE ].
4. G. Bossard and H. Nicolai, Counterterms vs. dualities, JHEP 08 (2011) 074 [ arXiv:1105.1273 ] [ INSPIRE ].
5. J.J.M. Carrasco, R. Kallosh and R. Roiban, Covariant procedures for perturbative non-linear deformation of duality-invariant theories, Phys. Rev. D 85 (2012) 025007 [ arXiv:1108.4390 ] [ INSPIRE ].