<?xml version="1.0"?>
<dblp>
<article key="journals/iandc/Niwinski84" mdate="2006-04-25">
<title>Fixed-Point Characterization of Context-Free \infty-Languages</title>
<author>Damian Niwinski</author>
<pages>247-276</pages>
<journal>Information and Control</journal>
<month>June</month>
<year>1984</year>
<volume>61</volume>
<number>3</number>
<url>db/journals/iandc/iandc61.html#Niwinski84</url>
</article>

</dblp>
