Rationality problem of GL4 group actions

MING-CHANG KANG2018-09-102018-09-102004http://www.scopus.com/inward/record.url?eid=2-s2.0-0347129747&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/306971Rationality problem of GL4 group actionsjournal article10.1016/S0001-8708(03)00067-7