@inproceedings{DBLP:conf/lpnmr/Wang01, title = {A Comparative Study of Well-Founded Semantics for Disjunctive Logic Programs}, author = {Wang, Kewen}, booktitle = {{LPNMR}}, pages = {133--146}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, volume = {2173}, year = {2001} }