Subject: categories: preprint: Paper on derived functors

From: Michael Barr <[email-masked]>
Date: Sun, 5 Nov 2000 08:37:48 -0500 (EST)

The files derfun.ps and derfun.pdf are now at ftp.math.mcgill.ca/pub/barr
for anonymous ftp.  It does what I promised a few weeks ago: derived
functors in the absence of enough projectives.