1. Über den Hadamardschen Determinentensatz;Fischer;Arch. Math. u. Phys.,1907
2. Resolution d'une question relative aux déterminants;Hadamard;Bull. Sci. Math.,1893
3. The Psychology of Invention in the Mathematical Field;Hadamard,1945
4. The Psychology of Invention in the Mathematical Field;Hadamard,1945
5. Positive Functions Defined on Hermitian Positive Semi-definite Matrices;Heyfron,1989