@article{DBLP:journals/tods/KorthKFGU84,
author = {Henry F. Korth and
Gabriel M. Kuper and
Joan Feigenbaum and
Allen Van Gelder and
Jeffrey D. Ullman},
title = {System/U: A Database System Based on the Universal Relation
Assumption},
journal = {ACM Trans. Database Syst.},
volume = {9},
number = {3},
year = {1984},
pages = {331-347},
ee = {http://doi.acm.org/10.1145/1270.1209},
bibsource = {DBLP, http://dblp.uni-trier.de}
}