1. Extensions of meromorphic function rings over non-compact Riemann surfaces. II

   • Norman L. Alling

   OriginalPaper Pages: 345 - 394

2. Semi-primal categorical independent algebras

   • Adil Yaqub

   OriginalPaper Pages: 395 - 403

3. Regelscharen und Regelflächen in dreidimensionalen desarguesschen Räumen

   • Wolfgang Krüger

   OriginalPaper Pages: 404 - 415

4. Generalized Bernstein polynomials

   • A. Jakimovski
   • D. Leviatan

   OriginalPaper Pages: 416 - 426