Journal of AlgebraVolume 142, Issue 1, September 1991, Pages 110-117Exact and coexact matricesAuthor links open overlay panelEdwin Connell, John ZweibelShow moreShareCitehttps://doi.org/10.1016/0021-8693(91)90220-3Get rights and contentUnder a Creative Commons licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 1991 Published by Elsevier Inc.