2018-09-102018-09-102002http://www.scopus.com/inward/record.url?eid=2-s2.0-0037052089&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/297995Operator product expansion in SL(2) conformal field theoryjournal article10.1142/S021773230200703X