References
Hermann Minkowski
with Lorentz Hendrik, Einstein Albert, Weyl Hermann (1952). The principle of relativity: a collection of original memoirs on the special and general theory of relativity. New York: Dover.
with Lorentz Hendrik, Einstein Albert, Weyl Hermann (1952). The principle of relativity: a collection of original memoirs on the special and general theory of relativity. New York: Dover.