@article{CM_1969__21_2_137_0, author = {Beyer, W. A.}, title = {Inner product-magnitude-preserving transformations in complex Hilbert spaces}, journal = {Compositio Mathematica}, volume = {21}, year = {1969}, pages = {137-142}, mrnumber = {247514}, zbl = {0175.43102}, language = {en}, url = {http://dml.mathdoc.fr/item/CM_1969__21_2_137_0} }
Beyer, W. A. Inner product-magnitude-preserving transformations in complex Hilbert spaces. Compositio Mathematica, Tome 21 (1969) pp. 137-142. http://gdmltest.u-ga.fr/item/CM_1969__21_2_137_0/
Group Theory and Its Application to the Quantum Mechanics of Atomic Spectra, Academic Press, translated by J. J. Griffin, 1959. | MR 106711 | Zbl 0085.37905
[1]Linear Transformations in Hilbert Space and Their Applications to Analysis, American Mathematical Society Colloquium Publications, volume XV, 1932. | MR 1451877 | Zbl 0005.40003
[2]The Theory of Rings, American Mathematical Society, Mathematical Surveys Number II, 1943. | MR 8601 | Zbl 0060.07302
[3]Linear Operators, Part II, Interscience Publishers, 1963. | Zbl 0128.34803
and [4]"On unitary representations of the inhomogeneous Lorentz group" , Ann. Math., 40 (1939), 149-204. | JFM 65.1129.01 | MR 1503456 | Zbl 0020.29601
[5]