Swift observations of the very intense flaring activity of Mrk 421 during 2006. I. Phenomenological picture of electron acceleration and predictions for MeV/GeV emissionA. Tramacere, P. Giommi, M. Perri, F. Verrecchia and G. TostiA&A, 501 3 (2009) 879-898DOI: https://doi.org/10.1051/0004-6361/200810865
