Group actions on the solutions of linear partial differential equations Walter Schempp OriginalPaper Pages: 111 - 115
On certain maximal subgroups of symmetric or alternating groups Emmanuel Halberstadt OriginalPaper Pages: 117 - 125
The faithful linear representation of least degree ofS n andA n over a field of characteristic 2 Ascher Wagner OriginalPaper Pages: 127 - 137
On the Lusternik-Schnirelmann category of Lie groups: II Wilhelm Singhof OriginalPaper Pages: 143 - 148
Characterization of fans and hereditarily pythagorean fields Ludwig Bröcker OriginalPaper Pages: 149 - 163
On decompositions of discontinuous groups of the plane Heiner Zieschang OriginalPaper Pages: 165 - 188