Inner product-magnitude-preserving transformations in complex Hilbert spaces
Compositio Mathematica, Volume 21 (1969) no. 2, p. 137-142
@article{CM_1969__21_2_137_0,
author = {Beyer, W. A.},
title = {Inner product-magnitude-preserving transformations in complex Hilbert spaces},
journal = {Compositio Mathematica},
publisher = {Wolters-Noordhoff Publishing},
volume = {21},
number = {2},
year = {1969},
pages = {137-142},
zbl = {0175.43102},
mrnumber = {247514},
language = {en},
url = {http://www.numdam.org/item/CM_1969__21_2_137_0}
}

Beyer, W. A. Inner product-magnitude-preserving transformations in complex Hilbert spaces. Compositio Mathematica, Volume 21 (1969) no. 2, pp. 137-142. http://www.numdam.org/item/CM_1969__21_2_137_0/

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