%0 Journal Article %A Summers, Stephen J. %A Wichmann, Eyvind H. %T Concerning the condition of additivity in quantum field theory %J Annales de l'I.H.P. Physique théorique %D 1987 %P 113-124 %V 47 %N 2 %I Gauthier-Villars %U http://www.numdam.org/item/AIHPA_1987__47_2_113_0/ %G en %F AIHPA_1987__47_2_113_0