<?xml version="1.0"?>
<dblp>
<article key="journals/acta/SawaJ09" mdate="2009-06-22">
<author>Zdenek Sawa</author>
<author>Petr Jancar</author>
<title>Hardness of equivalence checking for composed finite-state systems.</title>
<pages>169-191</pages>
<year>2009</year>
<volume>46</volume>
<journal>Acta Inf.</journal>
<number>3</number>
<ee>http://dx.doi.org/10.1007/s00236-008-0088-x</ee>
<url>db/journals/acta/acta46.html#SawaJ09</url>
</article>
</dblp>
