TY  - JOUR
AU  - Agarwal, R.P.
AU  - O'Regan, Donal
TI  - Essential -type maps and Birkhoff–Kellogg theorems.
JO  - International Journal of Stochastic Analysis
PY  - 2004
SP  - 1
VL  - 2004
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/articles/10.1155/S1048953304302017/
DO  - 10.1155/S1048953304302017
LA  - en
ID  - 10_1155_S1048953304302017
ER  -