En la red

• M.S. Moslehian: The counterexamples in functional analysis home page, http://profsite.um.ac.ir/~moslehian/cfa/cfa.htm.
  • The counterexamples in functional analysis home page - Operator theory, http://profsite.um.ac.ir/~moslehian/cfa/OT.HTM.

• C.R. Nave: Hyperphysics - The uncertainty principle, http://hyperphysics.phy-astr.gsu.edu/hbase/uncer.html.

Historia y biografía

• E.M. Harrell II: A short history of operator theory, http://www.mathphysics.com/opthy/OpHistory.html.
• J.J. O'Connor, E.F. Robertson: The MacTutor History of Mathematics archive, http://www-history.mcs.st-and.ac.uk.
• AIP Center for History of Physics: Werner Heisenberg (1901-1976), http://www.aip.org/history/heisenberg.
• Quantum Mechanics 1925-1927: The uncertainty principle, http://www.aip.org/history/heisenberg/p08.htm.
• Quantum Mechanics 1925-1927 sound bites: Heisenberg recalls his early thoughts on the uncertainty principle, http://www.aip.org/history/heisenberg/voice1.htm.
• YouTube: Entrevista a John Von Neumann, http://youtu.be/vLbllFHBQM4.