From: Marek Golasinski <marek@mat.uni.torun.pl>
Subject: categories: center of a category
Date: Thu, 1 Oct 1998 19:42:09 +0200 (MET DST)

Dear Categories,
I would greatly appreciate getting some
references on the CENTER of a category
and related topics.
Many thanks in advance for your kind
attention.
With my best wishes.

Marek Golasinski