@article{DBLP:journals/jlp/Wallace93,
author = {Mark Wallace},
title = {Tight, Consistent and Computable Completions for Unrestricted
Logic Programs},
journal = {J. Log. Program.},
volume = {15},
number = {3},
year = {1993},
pages = {243-273},
ee = {http://dx.doi.org/10.1016/0743-1066(93)90041-E},
bibsource = {DBLP, http://dblp.uni-trier.de}
}