@article{1195520348,
author = {Choda, Hisashi},
title = {An extremal property of the polar decomposition in von Neumann algebras},
journal = {Proc. Japan Acad.},
volume = {46},
number = {10},
year = {1970},
pages = { 341-344},
language = {en},
url = {http://dml.mathdoc.fr/item/1195520348}
}
Choda, Hisashi. An extremal property of the polar decomposition in von Neumann algebras. Proc. Japan Acad., Tome 46 (1970) no. 10, pp. 341-344. http://gdmltest.u-ga.fr/item/1195520348/