Chuang, C. L.C. L.ChuangLin, J.S.J.S.Lin2010-05-222018-06-282010-05-222018-06-281989http://ntur.lib.ntu.edu.tw//handle/246246/184045application/pdf1139509 bytesapplication/pdfen-USOn a conjecture by Hersteinjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/184045/1/19.pdf