<?xml version="1.0"?>
<dblp>
<article key="journals/igpl/MartinG01" mdate="2004-02-19">
<author>Pedro J. Mart&#237;n</author>
<author>Antonio Gavilanes</author>
<title>Free-variable Tableaux for Monotonic PreordersI.</title>
<year>2001</year>
<volume>9</volume>
<journal>Logic Journal of the IGPL</journal>
<number>6</number>
<ee>http://www3.oup.co.uk/igpl/Volume_09/Issue_06/#Martin</ee>
<url>db/journals/igpl/igpl9.html#MartinG01</url>
</article>
</dblp>
