<?xml version="1.0"?>
<dblp>
<article key="journals/jsyml/McKinsey40" mdate="2003-11-20">
<author>J. C. C. McKinsey</author>
<title>Postulates for the Calculus of Binary Relations.</title>
<pages>85-97</pages>
<year>1940</year>
<volume>5</volume>
<journal>J. Symb. Log.</journal>
<number>3</number>
<url>db/journals/jsyml/jsyml5.html#McKinsey40</url>
</article>
</dblp>
