TY  - JOUR
A1  - Linke, Thomas
A1  - Tompits, Hans
A1  - Woltran, Stefan
T1  - On Acyclic and head-cycle free nested logic programs
Y1  - 2004
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/14297
SN  - 3-540-22671-01
ER  -