@article{DBLP:journals/tocl/GebserS13,
title = {Tableau Calculi for Logic Programs under Answer Set Semantics},
author = {Gebser, Martin and Schaub, Torsten},
journal = {{ACM} Trans. Comput. Log.},
number = {2},
pages = {15:1--15:40},
volume = {14},
year = {2013}
}