<?xml version="1.0" encoding="US-ASCII"?>
<dblp>
<article key="journals/isci/JurgensenS87" mdate="2017-05-27">
<author>Helmut J&#252;rgensen</author>
<author>Dan A. Simovici</author>
<title>Towards an abstract theory of dependency constraints in relational databases.</title>
<pages>43-60</pages>
<year>1987</year>
<volume>41</volume>
<journal>Inf. Sci.</journal>
<number>1</number>
<ee>https://doi.org/10.1016/0020-0255(87)90004-1</ee>
<url>db/journals/isci/isci41.html#JurgensenS87</url>
</article></dblp>
