The Distribution of Correlation Ratios Calculated from Random Data
Harold Hotelling · Proceedings of the National Academy of Sciences · 1925
8 This important expression for the volume element has been used in lectures by Professors 0. Veblen and L. P. Eisenhart. I do not find it in any of the treatises on Cal- culus, Analysis or Differential Geometry, save for the special case in which the manifold of integration is a surface. It may readily be proved by showing first that (