<?xml version="1.0"?>
<dblp>
<article key="journals/apal/IdziakKKV09" mdate="2009-01-21">
<author>Pawel M. Idziak</author>
<author>Keith A. Kearnes</author>
<author>Emil W. Kiss</author>
<author>Matthew Valeriote</author>
<title>Definable principal congruences and solvability.</title>
<pages>30-49</pages>
<year>2009</year>
<volume>157</volume>
<journal>Ann. Pure Appl. Logic</journal>
<number>1</number>
<ee>http://dx.doi.org/10.1016/j.apal.2008.09.019</ee>
<url>db/journals/apal/apal157.html#IdziakKKV09</url>
</article>
</dblp>
