A common behavior in the late X-ray afterglow of energetic GRB-SN systemsL. Izzo, G.B. Pisani, M. Muccino, J.A. Rueda, Y. Wang, C.L. Bianco, A.V. Penacchioni and R. RuffiniEAS Publications Series, 61 (2013) 595-597DOI: https://doi.org/10.1051/eas/1361095