@inproceedings{DBLP:conf/cl/WangZL00,
title = {Alternating Fixpoint Theory for Logic Programs with Priority},
author = {Wang, Kewen and Zhou, Lizhu and Lin, Fangzhen},
booktitle = {Computational Logic},
pages = {164--178},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
volume = {1861},
year = {2000}
}