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FeynmanPropagatorPath.svg Diagram of the poleprescription for the Feynman propagator for the KleinGordon equation own work by original uploader StevenJohnston talk StevenJohnston Original upload log page en FeynmanPropagatorPath svg StevenJohnston bytes StevenJohnston bytes no in Inkscape StevenJohnston bytes no selfmade