<?xml version="1.0"?>
<dblp>
<article key="journals/jc/YongpingL08" mdate="2011-09-19">
<author>Yongping Liu</author>
<author>Lianhong Yang</author>
<title>Relative widths of smooth functions determined by fractional order derivatives.</title>
<pages>259-282</pages>
<year>2008</year>
<volume>24</volume>
<journal>J. Complexity</journal>
<number>2</number>
<ee>http://dx.doi.org/10.1016/j.jco.2006.12.001</ee>
<url>db/journals/jc/jc24.html#YongpingL08</url>
</article>
</dblp>
