An upper limit of the number and energy of electrons accelerated at an extended coronal shock waveK.-L. Klein, R. A. Schwartz, J. M. McTiernan, G. Trottet, A. Klassen and A. LecacheuxA&A, 409 1 (2003) 317-324DOI: https://doi.org/10.1051/0004-6361:20031034