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JUCS - Journal of Universal Computer Science 1(5): 252-268
doi: 10.3217/jucs-001-05-0252
Published: 28 May 1995
This article is part of:
JUCS - Journal of Universal Computer Science 1(5)
Authors
Erzsebet Csuhaj-Varju - Corresponding author
Computer and Automation Institute of the Hungarian Academy of Sciences, Budapest, Hungary
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Gheorghe Paun
Institute of Mathematics of the Romanian Academy, Bucharest, Romania
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Arto Salomaa
Academy of Finland and University of Turku, Department of Mathematics, Turku, Finland
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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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