1. General linear transformations of locally convex spaces

   • Gottfried Köthe

   OriginalPaper Pages: 309 - 328

2. Additive relations among recursive equivalence types

   • A. Nerode

   OriginalPaper Pages: 329 - 343

3. On the extension of continuous linear functionals and best approximation in normed linear spaces

   • Ivan Singer

   OriginalPaper Pages: 344 - 355

4. Über die Konvexität von Verbandskegeln

   • Siegfried Guber

   OriginalPaper Pages: 356 - 364

5. Generalised Kojima-Toeplitz matrices in certain linear topological spaces

   • M. S. Ramanujan

   OriginalPaper Pages: 365 - 373