<?xml version="1.0"?>
<dblp>
<article key="journals/jsyml/Wang50a" mdate="2003-11-20">
<author>Hao Wang</author>
<title>Existence of Classes and Value Specification of Variables.</title>
<pages>103-112</pages>
<year>1950</year>
<volume>15</volume>
<journal>J. Symb. Log.</journal>
<number>2</number>
<url>db/journals/jsyml/jsyml15.html#Wang50a</url>
</article>
</dblp>
