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JUCS - Journal of Universal Computer Science 11(12): 2056-2062
doi:
10.3217/jucs-011-12-2056
Published:
28 Dec 2005
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Authors
Giovanni Sambin
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Dipartimento di Matematica Pura ed Applicata, Università di Padova, Italy
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Dipartimento di Matematica Pura ed Applicata, Università di Padova, 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.