@article{1256052829,
author = {Grabiner, Sandy},
title = {Ranges of quasi-nilpotent operators},
journal = {Illinois J. Math.},
volume = {15},
number = {4},
year = {1971},
pages = { 150-152},
language = {en},
url = {http://dml.mathdoc.fr/item/1256052829}
}
Grabiner, Sandy. Ranges of quasi-nilpotent operators. Illinois J. Math., Tome 15 (1971) no. 4, pp. 150-152. http://gdmltest.u-ga.fr/item/1256052829/