فهرس المقالات somayeh asgary المقاله 1 - Study of virtual annihilation and retardation effects in relativistic two-, four-, and six-body wave equations in scalar QFT 10.1007/s40094-017-0264-x Mohsen Emami-Razavi Somayeh Asgary Journal of Theoretical and Applied Physics , العدد 1 , السنة 0 , پاییز 2017