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"On existentially first-order definable languages and their relation to NP."
Bernd Borchert, Dietrich Kuske, Frank Stephan (1999)
- Bernd Borchert, Dietrich Kuske, Frank Stephan:
On existentially first-order definable languages and their relation to NP. RAIRO Theor. Informatics Appl. 33(3): 259-270 (1999)
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