1. Ruled surfaces with vanishing second Gaussian curvature

   • D. E. Blair
   • Th. Koufogiorgos

   OriginalPaper Pages: 177 - 181

2. Singularities of the Green function of a random walk on a discrete group

   • Donald I. Cartwright

   OriginalPaper Pages: 183 - 188

3. Iterated means of convex bodies

   • R. J. Gregorac

   OriginalPaper Pages: 189 - 198

4. One-step prediction forP _n-weakly stationary processes

   • Volker Hösel
   • Rupert Lasser

   OriginalPaper Pages: 199 - 212

5. Bernstein's “lethargy” theorem in metrizable topological linear spaces

   • G. Lewicki

   OriginalPaper Pages: 213 - 226

6. Commutative Banach algebras and decomposable operators

   • M. M. Neumann

   OriginalPaper Pages: 227 - 243

7. Some equivalence theorems in affine hypersurface theory

   • Barbara Opozda

   OriginalPaper Pages: 245 - 254