@article{1050425913,
author = {Agarwal, Ravi P. and O'Regan, Donal},
title = {Birkhoff-Kellogg theorems on invariant directions for multimaps},
journal = {Abstr. Appl. Anal.},
volume = {2003},
number = {7},
year = {2003},
pages = { 435-448},
language = {en},
url = {http://dml.mathdoc.fr/item/1050425913}
}
Agarwal, Ravi P.; O'Regan, Donal. Birkhoff-Kellogg theorems on invariant directions for multimaps. Abstr. Appl. Anal., Tome 2003 (2003) no. 7, pp. 435-448. http://gdmltest.u-ga.fr/item/1050425913/