| |
| 2006 | ||
|---|---|---|
| 3 | EE | Kazimierz Swirydowicz: Upper Part of the Lattice of Extensions of the Positive Relevant Logic R+. Reports on Mathematical Logic 40: 3-13 (2006) |
| 1999 | ||
| 2 | Kazimierz Swirydowicz: There Exist Exactly Two Maximal Strictly Relevant Extensions of The Relevant Logic R. J. Symb. Log. 64(3): 1125-1154 (1999) | |
| 1995 | ||
| 1 | Kazimierz Swirydowicz: A Remark on the Maximal Extensions of the Relevant Logic R. Reports on Mathematical Logic 29: 19-33 (1995) | |