SHU-CHENG CHANGMacphail, MsMsMacphailSnyder, AkAkSnyderWilansky, A.A.Wilansky2019-10-282019-10-2819680025-5874https://scholars.lib.ntu.edu.tw/handle/123456789/428547Consistency and Replaceability for Conull Matricesjournal article10.1007/BF01109899WOS:A1968B326000004