@article{GDZPPN002430266,
title = {Cartesian and Polar Decompositions of Hypernormal Operators.},
journal = {Mathematische Zeitschrift},
volume = {185},
year = {1984},
pages = {485-492},
zbl = {0538.47015},
url = {http://dml.mathdoc.fr/item/GDZPPN002430266}
}
Fan, Peng. Cartesian and Polar Decompositions of Hypernormal Operators.. Mathematische Zeitschrift, Tome 185 (1984) pp. 485-492. http://gdmltest.u-ga.fr/item/GDZPPN002430266/