Michael Fink. A general framework for equivalences in Answer-Set Programming by countermodels in the logic of Here-and-There. TPLP, 11(2-3):171-202, 2011. [doi]
@article{Fink11-0,
title = {A general framework for equivalences in Answer-Set Programming by countermodels in the logic of Here-and-There},
author = {Michael Fink},
year = {2011},
doi = {10.1017/S1471068410000542},
url = {http://dx.doi.org/10.1017/S1471068410000542},
tags = {logic programming, programming, logic},
researchr = {https://researchr.org/publication/Fink11-0},
cites = {0},
citedby = {0},
journal = {TPLP},
volume = {11},
number = {2-3},
pages = {171-202},
}