@article{1250181366,
author = {Schwartz, Charles},
title = {The Schur and Hahn theorems for operators matrices},
journal = {Rocky Mountain J. Math.},
volume = {15},
number = {4},
year = {1985},
pages = { 61-74},
language = {en},
url = {http://dml.mathdoc.fr/item/1250181366}
}
Schwartz, Charles. The Schur and Hahn theorems for operators matrices. Rocky Mountain J. Math., Tome 15 (1985) no. 4, pp. 61-74. http://gdmltest.u-ga.fr/item/1250181366/