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JUCS - Journal of Universal Computer Science 10(5): 502-508
doi:
10.3217/jucs-010-05-0502
Published:
28 May 2004
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Author
Artiom Alhazov 
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Rovira i Virgili University, Tarragona, Spain and Institute of Mathematics and Computer Science, Academy of Sciences of Moldova, Chisinau, Moldova
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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.