@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/