TSIU-KWEN LEE2019-10-282019-10-281995https://scholars.lib.ntu.edu.tw/handle/123456789/428574journal article10.1090/S0002-9947-1995-1286000-32-s2.0-0001109444https://www.scopus.com/inward/record.uri?eid=2-s2.0-0001109444&doi=10.1090%2fS0002-9947-1995-1286000-3&partnerID=40&md5=92613f060650b734d34f5c8facb5d8c0