Lee, P.-HP.-HLee2010-05-092018-06-282010-05-092018-06-281982http://ntur.lib.ntu.edu.tw//handle/246246/181516application/pdf111399 bytesapplication/pdfen-USAn example of division rings with involutionjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/181516/1/10.pdf