Final-state radiation in electron-positron annihilation into a pion pair S. Dubinsky, A. Korchin, N. Merenkov, G. Pancheri and O. Shekhovtsova Eur. Phys. J. C, 40 1 (2005) 41-54 Published online: 15 March 2005 DOI: 10.1140/epjc/s2004-02109-7