<?xml version="1.0"?>
<dblp>
<article key="journals/jsyml/Kapron87" mdate="2003-11-20">
<author>Bruce M. Kapron</author>
<title>Modal Sequents and Definability.</title>
<pages>756-762</pages>
<year>1987</year>
<volume>52</volume>
<journal>J. Symb. Log.</journal>
<number>3</number>
<url>db/journals/jsyml/jsyml52.html#Kapron87</url>
</article>
</dblp>
