PEI-MING HOLin, Xue-YanXue-YanLin2018-09-102018-09-102006-04http://inspirehep.net/record/713879http://scholars.lib.ntu.edu.tw/handle/123456789/323075Linear relations among 4-point functions in the high energy limit of string theoryjournal article10.1103/PhysRevD.73.126007