1. Ergodic theory and virtual groups

   • George W. Mackey

   OriginalPaper Pages: 187 - 207

2. On Dehn's algorithm

   • Roger C. Lyndon

   OriginalPaper Pages: 208 - 228

3. Integral domains with quotient overrings

   • Joe Leonard Mott

   OriginalPaper Pages: 229 - 232

4. Über lineare s-Differentialgleichungen in der Operatorenrechnung

   • Joseph Wloka

   OriginalPaper Pages: 233 - 256