Vladimir Lifschitz, Karl Pichotta, Fangkai Yang. Relational theories with null values and non-herbrand stable models. TPLP, 12(4-5):565-582, 2012. [doi]
@article{LifschitzPY12,
title = {Relational theories with null values and non-herbrand stable models},
author = {Vladimir Lifschitz and Karl Pichotta and Fangkai Yang},
year = {2012},
doi = {10.1017/S147106841200018X},
url = {http://dx.doi.org/10.1017/S147106841200018X},
researchr = {https://researchr.org/publication/LifschitzPY12},
cites = {0},
citedby = {0},
journal = {TPLP},
volume = {12},
number = {4-5},
pages = {565-582},
}