On the crossing rule

This publication has 8 references indexed in Scilit:

• The multiplicity of eigenvalues
  Bulletin of the American Mathematical Society, 1982
• Restrictions on the coefficients of hyperbolic systems of partial differential equations
  Proceedings of the National Academy of Sciences, 1977
• Subspaces of symmetric matrices containing matrices with a multiple first eigenvalue
  Pacific Journal of Mathematics, 1976
• Fibre Bundles
  Published by Springer Nature ,1966
• On Matrices Whose Real Linear Combinations are Nonsingular
  Proceedings of the American Mathematical Society, 1965
• Vector Fields on Spheres
  Annals of Mathematics, 1962
• Lineare scharen orthogonaler matrizen
  Abhandlungen aus dem Mathematischen Seminar der Universitat Hamburg, 1922
• ber die Komposition der quadratischen Formen
  Mathematische Annalen, 1922