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JUCS - Journal of Universal Computer Science 4(6): 574-588
doi:
10.3217/jucs-004-06-0574
Published:
28 Jun 1998
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Authors
Edith Hemaspaandra 
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Department of Mathematics, Le Moyne College, Syracuse, United States of America
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Department of Computer Science, University of Rochester, Rochester, NY, United States of America
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Institut für Informatik, Friedrich-Schiller-Universität Jena, Germany
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Conflict of interest
The authors have declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.