<?xml version="1.0"?>
<dblp>
<article key="journals/actaC/ThuanB85" mdate="2003-11-26">
<author>Ho Thuan</author>
<author>Le Van Bao</author>
<title>Some results about key of relational schemas.</title>
<pages>99-113</pages>
<year>1985</year>
<volume>7</volume>
<journal>Acta Cybern.</journal>
<number>1</number>
<url>db/journals/actaC/actaC7.html#ThuanB85</url>
</article>
</dblp>
