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@inproceedings{DBLP:conf/coco/TodaO91,
author = {Seinosuke Toda and
Mitsunori Ogiwara},
title = {Counting Classes Are at Least as Hard as the Polynomial-Time
Hierarchy},
booktitle = {Structure in Complexity Theory Conference},
year = {1991},
pages = {2-12},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Copyright © 2002-01-03 by Michael Ley (ley@uni-trier.de)