TSIU-KWEN LEEPan, C.-Y.C.-Y.Pan2018-09-102018-09-102002http://www.scopus.com/inward/record.url?eid=2-s2.0-0036376973&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/296661Derivations and co-radical extensions of ringsjournal article2-s2.0-0036376973WOS:000177279600004