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JUCS - Journal of Universal Computer Science 8(2): 260-269
doi:
10.3217/jucs-008-02-0260
Published:
28 Feb 2002
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Authors
Masami Ito
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Department of Mathematics, Kyoto Sangyo University, Kyoto, Japan
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Otto-von-Guericke-Universität Magdeburg, Fakultät für Informatik, Magdeburg, Germany
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Otto-von-Guericke-Universität Magdeburg, Fakultät für Informatik, Magdeburg, 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.