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JUCS - Journal of Universal Computer Science 1(7): 560-569
doi:
10.3217/jucs-001-07-0560
Published:
28 Jul 1995
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Author
Evgenija D. Popova
- Corresponding author
Bulgarian Academy of Sciences, Bulgaria
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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.