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JUCS - Journal of Universal Computer Science 8(2): 257-259
doi:
10.3217/jucs-008-02-0257
Published:
28 Feb 2002
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Author
Masami Ito
- Corresponding author
Department of Mathematics, Kyoto Sangyo University, Kyoto, Japan
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Conflict of interest
The author has declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.