@article{1256050738,
author = {Luecke, Glenn R.},
title = {Essentially $(G\_{1})$ operators and essentially convexoid operators on Hilbert space},
journal = {Illinois J. Math.},
volume = {19},
number = {4},
year = {1975},
pages = { 389-399},
language = {en},
url = {http://dml.mathdoc.fr/item/1256050738}
}
Luecke, Glenn R. Essentially $(G_{1})$ operators and essentially convexoid operators on Hilbert space. Illinois J. Math., Tome 19 (1975) no. 4, pp. 389-399. http://gdmltest.u-ga.fr/item/1256050738/