MING-CHANG KANG2018-09-102018-09-101989http://www.scopus.com/inward/record.url?eid=2-s2.0-84971761802&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/352796The invariants of projective linear group actionsjournal article10.1017/S000497270002801X