A Characterization of Strong Equivalence for Logic Programs with Variables
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\begin{bibtex} @inproceedings{DBLP:conf/lpnmr/LifschitzPV07,
author = {Vladimir Lifschitz and
David Pearce and
Agust\'{\i}n Valverde},
title = {A Characterization of Strong Equivalence for Logic Programs
with Variables},
booktitle = {LPNMR},
year = {2007},
pages = {188-200},
ee = {http://dx.doi.org/10.1007/978-3-540-72200-7_17},
crossref = {DBLP:conf/lpnmr/2007},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
\end{bibtex}
