By Leivant D.   in Information and Computation

ISSN:0890-5401|143|2|109-109

Academic Press‎(1998)‎

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By Leivant D.D.   Marion J.-Y.J.-Y.   in Theoretical Computer Science

ISSN:0304-3975|236|1|193-208

Elsevier‎(2000)‎

Access to resources Favorite 2.2233071