| 1997 | ||
|---|---|---|
| 2 | Arnaud Durand, Ronald Fagin, Bernd Loescher: Spectra with Only Unary Function Symbols. CSL 1997: 189-202 | |
| 1 | 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] |