TY  - JOUR
A1  - Vogel, Hans-Jürgen
A1  - Marki, Laszlo
A1  - Pöschel, Reinhard
T1  - Contributions to general algebra and categories
Y1  - 1996
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/25825
ER  -