@article{1029000897,
author = {Hedlund, James H.},
title = {Limits of nilpotent and quasinilpotent operators.},
journal = {Michigan Math. J.},
volume = {19},
number = {1},
year = {1972},
pages = { 249-255},
language = {en},
url = {http://dml.mathdoc.fr/item/1029000897}
}
Hedlund, James H. Limits of nilpotent and quasinilpotent operators.. Michigan Math. J., Tome 19 (1972) no. 1, pp. 249-255. http://gdmltest.u-ga.fr/item/1029000897/