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JUCS - Journal of Universal Computer Science 4(9): 719-736
doi: 10.3217/jucs-004-09-0719
Published: 28 Sep 1998
This article is part of:
JUCS - Journal of Universal Computer Science 4(9)
Authors
Giuseppe Attardi - Corresponding author
Dipartimento di Informatica, Università di Pisa, Italy
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Sergio Di Marco
Dipartimento di Informatica, Università di Pisa, Italy
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Davide Salvi
Dipartimento di Informatica, Università di Pisa, Italy
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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.
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