Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
ELEMENTARY
open-in-new
<h2 id="references">References</h2> <ol> <li id="fn:1"><p>"ELEMENTARY", Complexity Zoo, retrieved 2024-11-03 <a href="https://complexityzoo.net/Complexity_Zoo:E#elementary" target="_blank">https://complexityzoo.net/Complexity_Zoo:E#elementary</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Friedman, Harvey (1999), "Some decision problems of enormous complexity" (PDF), 14th Annual IEEE Symposium on Logic in Computer Science, Trento, Italy, July 2-5, 1999, {IEEE} Computer Society, pp. 2–12, doi:10.1109/LICS.1999.782577, ISBN 0-7695-0158-3, MR 1942515 <a href="0-7695-0158-3" target="_blank">0-7695-0158-3</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Engelfriet, Joost (1991), "Iterated stack automata and complexity classes", Information and Computation, 95 (1): 21–75, doi:10.1016/0890-5401(91)90015-T, MR 1133778 <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>