Lee, T. K.T. K.LeeTSIU-KWEN LEE2010-05-122018-06-282010-05-122018-06-282000http://ntur.lib.ntu.edu.tw//handle/246246/183215application/pdf270021 bytesapplication/pdfen-USNote on derivations of semiprime ringsjournal article10.1080/009278700088271222-s2.0-0034422671WOS:000089301000019http://ntur.lib.ntu.edu.tw/bitstream/246246/183215/1/37.pdf