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"Algorithmic problems concerning first-order definability of modal formulas ..."
Alexander V. Chagrov, L. A. Chagrova (1995)
- Alexander V. Chagrov, L. A. Chagrova:
Algorithmic problems concerning first-order definability of modal formulas on the class of all finite frames. Stud Logica 55(3): 421-448 (1995)
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