@article{1029002561,
author = {Popa, Sorin},
title = {On the Russo-Dye theorem.},
journal = {Michigan Math. J.},
volume = {28},
number = {1},
year = {1981},
pages = { 311-315},
language = {en},
url = {http://dml.mathdoc.fr/item/1029002561}
}
Popa, Sorin. On the Russo-Dye theorem.. Michigan Math. J., Tome 28 (1981) no. 1, pp. 311-315. http://gdmltest.u-ga.fr/item/1029002561/