1997 | ||
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2 | Arnaud Durand, Ronald Fagin, Bernd Loescher: Spectra with Only Unary Function Symbols. CSL 1997: 189-202 | |
1 | EE | Bernd Loescher: One Unary Function Says Less Than Two in Existential Second Order Logic. Inf. Process. Lett. 61(2): 69-75 (1997) |
1 | Arnaud Durand | [2] |
2 | Ronald Fagin | [2] |