TY  - JOUR
A1  - Anger, Christian
A1  - Gebser, Martin
A1  - Schaub, Torsten H.
T1  - Approaching the core of unfounded sets
Y1  - 2006
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/11925
UR  - http://www.cs.uni-potsdam.de/wv/pdfformat/angesc06a.pdf
ER  -