1. Polynomial differentiability, order and characteristic

   • Meera Gupta
   • N. D. Lane

   OriginalPaper Pages: 107 - 164

2. ISomorphismen verallgemeinerter Parallelstrukturen

   • Werner Seier

   OriginalPaper Pages: 165 - 178

3. Tarski's definition of point in banach spaces

   • Theodore Sullivan

   OriginalPaper Pages: 179 - 189

4. On semi-anchors of a translation plane

   • B. Orbán

   OriginalPaper Pages: 191 - 197