Kang, M. C.M. C.Kang2010-05-162018-06-282010-05-162018-06-282004http://ntur.lib.ntu.edu.tw//handle/246246/183329application/pdf335448 bytesapplication/pdfen-USRationality problem of GL4 group actionsjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/183329/1/48.pdf