Generalisation for regular black holes on general relativity to f(R) gravity Manuel E. Rodrigues, Júlio C. Fabris, Ednaldo L. B. Junior and Glauber T. Marques Eur. Phys. J. C, 76 5 (2016) 250 Published online: 02 May 2016 DOI: 10.1140/epjc/s10052-016-4085-x