<?xml version="1.0"?>
<dblp>
<article key="journals/jsyml/Churchman38" mdate="2003-11-20">
<author>C. West Churchman</author>
<title>On Finite and Infinite Modal Systems.</title>
<pages>77-82</pages>
<year>1938</year>
<volume>3</volume>
<journal>J. Symb. Log.</journal>
<number>2</number>
<url>db/journals/jsyml/jsyml3.html#Churchman38</url>
</article>
</dblp>
