@article{1103038247,
author = {Schaefer, Helmut},
title = {Some spectral properties of positive linear operators.},
journal = {Pacific J. Math.},
volume = {10},
number = {4},
year = {1960},
pages = { 1009-1019},
language = {en},
url = {http://dml.mathdoc.fr/item/1103038247}
}
Schaefer, Helmut. Some spectral properties of positive linear operators.. Pacific J. Math., Tome 10 (1960) no. 4, pp. 1009-1019. http://gdmltest.u-ga.fr/item/1103038247/