<?xml version="1.0"?>
<dblp>
<article key="journals/tcs/HarjuN05" mdate="2005-05-06">
<author>Tero Harju</author>
<author>Dirk Nowotka</author>
<title>On the equation in a free semigroup.</title>
<pages>117-121</pages>
<year>2005</year>
<volume>330</volume>
<journal>Theor. Comput. Sci.</journal>
<number>1</number>
<ee>http://dx.doi.org/10.1016/j.tcs.2004.09.012</ee>
<url>db/journals/tcs/tcs330.html#HarjuN05</url>
</article>
</dblp>
