@article{1178241077,
author = {Okayasu, Takateru},
title = {Polar decomposition for isomorphisms of $C^{\ast}$-algebras},
journal = {Tohoku Math. J. (2)},
volume = {26},
number = {4},
year = {1974},
pages = { 541-554},
language = {en},
url = {http://dml.mathdoc.fr/item/1178241077}
}
Okayasu, Takateru. Polar decomposition for isomorphisms of $C^{\ast}$-algebras. Tohoku Math. J. (2), Tome 26 (1974) no. 4, pp. 541-554. http://gdmltest.u-ga.fr/item/1178241077/