| |
| 1997 | ||
|---|---|---|
| 2 | Burghard Herrmann: Characterizing Equivalential and Algebraizable Logics by the Leibniz Operator. Studia Logica 58(2): 305-323 (1997) | |
| 1996 | ||
| 1 | Burghard Herrmann: Characterizing equivalential and algebraizable logics by the Leibniz operator. Studia Logica 57(2/3): 419-436 (1996) | |