<?xml version="1.0"?>
<dblp>
<article key="journals/isci/SidkyM91" mdate="2004-06-02">
<author>F. I. Sidky</author>
<author>M. A. A. Mishref</author>
<title>Fully invariant, characteristic, and S-Fuzzy subgroups.</title>
<pages>27-33</pages>
<year>1991</year>
<volume>55</volume>
<journal>Inf. Sci.</journal>
<number>1-3</number>
<ee>http://dx.doi.org/10.1016/0020-0255(91)90003-D</ee>
<url>db/journals/isci/isci55.html#SidkyM91</url>
</article>
</dblp>
