Nonnegatively posed problems and completely monotonic functions

This publication has 4 references indexed in Scilit:

• Topological proofs for certain theorems on matrices with non-negative elements
  Monatshefte für Mathematik, 1958
• On the integration of non-linear parabolic equations by implicit difference methods
  Quarterly of Applied Mathematics, 1956
• ber die determinanten mit berwiegender Hauptdiagonale
  Commentarii Mathematici Helvetici, 1937
• ber die partiellen Differenzengleichungen der mathematischen Physik
  Mathematische Annalen, 1928