<?xml version="1.0"?>
<dblp>
<article key="journals/dcg/BorceaGLP06" mdate="2006-06-01">
<author>Ciprian Borcea</author>
<author>Xavier Goaoc</author>
<author>Sylvain Lazard</author>
<author>Sylvain Petitjean</author>
<title>Common Tangents to Spheres in R<sup>3</sup>.</title>
<pages>287-300</pages>
<year>2006</year>
<volume>35</volume>
<journal>Discrete &amp; Computational Geometry</journal>
<number>2</number>
<ee>http://dx.doi.org/10.1007/s00454-005-1230-y</ee>
<url>db/journals/dcg/dcg35.html#BorceaGLP06</url>
</article>
</dblp>
