<?xml version="1.0"?>
<dblp>
<article key="journals/eccc/FeldmanKN07" publtype="informal publication" mdate="2011-12-07">
<author>Sharon Feldman</author>
<author>Guy Kortsarz</author>
<author>Zeev Nutov</author>
<title>Improved approximation algorithms for directed Steiner forest.</title>
<year>2007</year>
<volume>14</volume>
<journal>Electronic Colloquium on Computational Complexity (ECCC)</journal>
<ee>http://eccc.hpi-web.de/eccc-reports/2007/TR07-120/index.html</ee>
<number>120</number>
<url>db/journals/eccc/eccc14.html#FeldmanKN07</url>
</article>
</dblp>
