REFERENCES
- M. Born and P. Jordan, Zur Quantenmechanik, Z. Phys., 34 (1925) 858–888.
- J. Dieudonné, Sur le nombre de dimensions d'une module, C. R. Acad. Sci. Paris, 215 (1942) 563–565.
- H. Heatherly, Matrices, Morphisms, and Algebras with [A, B] = 1, to appear.
- S. Lang, Algebra, 2nd ed., Addison-Wesley, Menlo Park, 1984.
- A. Wintner, The Unboundedness of Quantum Mechanical Matrices, Phys. Rev., 71 (1947) 738–739.