1. B.P. Abbott et al. [LIGO Scientific and Virgo Collaborations], Phys. Rev. Lett. 116, 061102 (2016)
2. Supernova Search Team Collaboration, A.G. Riess et al., Astron. J. 116, 1009 (1998)
3. Supernova Cosmology Project Collaboration, S. Perlmutter et al., Astrophys. J. 517, 565 (1999)
4. C. de Rham, G. Gabadadze, Phys. Rev. D 82, 044020 (2010)
5. C. de Rham, G. Gabadadze, A.J. Tolley, Phys. Rev. Lett. 106, 231101 (2011)