An example of Bergman's and the extension problem for clean rings

TSIU-KWEN LEEYi, Z.Z.YiZhou, Y.Y.Zhou2018-09-102018-09-102008http://www.scopus.com/inward/record.url?eid=2-s2.0-45949112564&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/338001application/pdf108087 bytesapplication/pdfAn example of Bergman's and the extension problem for clean ringsjournal article10.1080/009278707018663742-s2.0-45949112564WOS:000255250900013