| 75 | -- | 79 | Roland Coghetto. Morley's Trisector Theorem |
| 81 | -- | 92 | Karol Pak. Flexary Operations |
| 93 | -- | 99 | Karol Pak. Euler's Partition Theorem |
| 101 | -- | 106 | Yasushige Watase. Introduction to Diophantine Approximation |
| 107 | -- | 114 | Roland Coghetto. Finite Product of Semiring of Sets |
| 115 | -- | 125 | Adam Grabowski. Two Axiomatizations of Nelson Algebras |
| 127 | -- | 160 | Roland Coghetto. Groups - Additive Notation |