@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/