@inproceedings{DBLP:conf/lpnmr/GebserSTW07,
title = {Alternative Characterizations for Program Equivalence under Answer-Set Semantics: Preliminary Report},
author = {Gebser, Martin and Schaub, Torsten and Tompits, Hans and Woltran, Stefan},
booktitle = {{CENT}},
publisher = {CEUR-WS.org},
series = {{CEUR} Workshop Proceedings},
volume = {265},
year = {2007}
}